Boot windows in command prompt: 4 Ways| How to Boot to Command Prompt in Windows 10

Best 2 Ways to Boot to Command Prompt in Windows 10

Here are best 2 ways to allow you to boot to Command Prompt in Windows 10 PC or laptop. By starting Windows 10 in Command Prompt, you can use Command Prompt Windows 10 commands to diagnose, troubleshoot and repair Windows 10 problems. MiniTool software are also available to help you recover data, backup OS/files, restore Windows, etc.

How do I boot to Command Prompt Windows 10?

How to repair Windows 10 using Command Prompt?

Windows Command Prompt is a Windows built-in utility allowing users to type computer commands to perform tasks or open applications without Windows graphical interface. You can open CMD in Windows 10 to troubleshoot and fix problems in your Windows 10 computer. Especially when your PC/laptop won’t turn on, booting Windows 10 into Command Prompt would be very helpful to fix Windows 10 problems later.

This tutorial provides 2 ways with step-by-step guides to open Command Prompt at boot in Windows 10. Learn how to access Command Prompt Windows 10 while booting and repair Windows 10 problems with Command Prompt.

Tip: MiniTool Power Data Recovery — Easy and professional data recovery software lets you recover any deleted/lost files from Windows computer, memory card, USB, external HDD, SSD, etc. 100% clean program.

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Way 1. Boot to Command Prompt Windows 10 through Advanced Startup Options

You can start Windows 10 into Command Prompt by using Advanced Startup options. Check below how to access Advanced Startup options in Windows 10 and open Command Prompt at boot in Windows 10.

Situation 1: Windows 10 Can Boot

If your Windows 10 computer can successfully boot, you can get into Advanced Startup options window from Settings.

Step 1. Click Start -> Settings to open Settings Window. Next click Update & Security, and choose Recovery in the left panel.

Step 2. Click Restart now button under Advanced startup, and your Windows 10 computer will restart now.

Step 3. When you see the Choose an option screen, click Troubleshoot -> Advanced options.

Step 4. Click Command Prompt option. Choose an account to continue and enter the password for this account. If you don’t set a password for Windows 10 computer, then just click Continue to skip it. You should enter into the Command Prompt window now.

Alternative way to access Advanced options window:

To get into Advanced options window, you can also click Start -> Power, hold on Shift and click Restart. If you are in the sign-in screen, you can press and hold Shift key and click Power -> Restart at the lower-right corner. This will restart Windows 10 computer into the Advanced Options window. Please do not release the Shift key until you see the blue Choose an option screen.

Then you can click Troubleshoot -> Advanced options -> Command Prompt to boot your Windows 10 computer into Command Prompt screen.

Situation 2: Windows 10 Can’t Boot

If your Windows 10 computer won’t boot, you can try to turn off and turn on your Windows 10 computer three times. Each time when you see the Windows logo while booting, press Power button immediately to turn the computer off. Repeat this operation three times. It should enter into Windows Recovery Environment in booting for the third time. Then you can click Advanced options button to follow the same steps in Situation 1 to boot to Command Prompt Windows 10.

If this way can’t work, then you should check Way 2 to boot to Command Prompt in Windows 10 with installation media or recovery disk like a Windows 10 repair/recovery disk or a Windows 10 recovery USB drive.

Bonus: How to Start Windows 10 in Safe Mode with Command Prompt

Windows 10 Safe Mode allows you to access Windows in a stripped down version which only loads essential drivers and services. Many drivers are not loaded and there is no networking. This is very helpful if your computer suffers a malware/virus infection and help you easily remove it before the malware is loaded.

You can easily start Windows 10 in safe mode with Command Prompt. And use Command Prompt Windows 10 Safe Mode to conduct Windows 10 boot repair, disk repair, and more with Command Prompt Windows 10 commands like CHKDSK, SFC Scannow, BootRec commands, etc.

Step 1. You can follow the same 1-3 step in Situation 1 in this post to access Advanced options window.

Step 2. Next choose Startup Settings in Advanced options window. And click Restart to bring you to the Startup Settings window.

Step 3. Press F6 to access Windows 10 in Safe Mode with Command Prompt.

Way 2. Start Windows 10 in Command Prompt with Installation DVD/USB

When your Windows 10 computer can’t boot, then you can create a bootable disk or USB drive to boot your Windows 10 computer and boot to command prompt Windows 10.

Step 1. Create Windows 10 Installation Media

At first, if you don’t have an installation disc, you can create Windows 10 installation media with the Windows 10 media creation tool.

Step 2. Access Windows 10 Boot Options Menu

Insert the installation media to your Windows 10 PC and boot PC from it. Press F2, Del, Esc or other required keys to enter BIOS. Then use the arrow key on the keyboard to select Boot tab to access Windows 10 Boot Options menu.

Step 3. Boot Windows 10 PC from USB or DVD

Also use the arrow keys to choose and set the bootable USB drive or DVD disc as the first boot device. And press F10 to save the configuration and restart the Windows 10 PC.

Step 4.

Start Windows 10 in Command Prompt

After the Windows 10 computer boots up and you see the Windows Setup dialog appears, you can press Shift + F10 keys simultaneously, and this will open Command Prompt at boot in Windows 10.

Tip: After you enter into Windows Setup screen, you can also select the language to install, time and currency format, keyboard or input method, and click Next. Then click Repair your computer at the bottom-left corner to enter into Recovery Environment in Windows 10, and then click Troubleshoot -> Advanced options -> Command Prompt, to boot to Command Prompt Windows 10.

In this way, you can easily open Command Prompt without Windows and open Command Prompt from BIOS.

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How to Repair Windows 10 Using Command Prompt

By using the best 2 ways above, you should be able to open Command Prompt at boot in Windows 10. The guide above also teaches you how to enter into Command Prompt Windows 10 Safe Mode. You can now use the Windows 10 Command Prompt commands to repair Windows 10 problems.

1. Command Prompt Windows 10 Boot Repair

To tackle Windows 10 startup issues, you can perform the Windows 10 boot repair in Command Prompt. You can type these commands to fix Windows 10 boot problems like repair MBR.

  • bootrec /fixmbr
  • bootrec /fixboot
  • bootrec /rebuildbcd

2. Run SFC Scannow Command to Repair Missing/Corrupted System Files

As for how to repair Windows 10 using Command Prompt, SFC (System File Checker) is a Windows built-in command-line utility that can scan and fix corruption in Windows system files and replace them a known good version. If you notice your Windows 10 computer can’t boot properly, you can run SFC command to diagnose problems and fix them.

Type sfc /scannow command line after you boot to Command Prompt in Windows 10, and press Enter. Windows 10 SFC Scannow utility will start to scan and try to repair any corrupted system files it detected.

3. Repair Windows 10 with CMD with the Help of DISM

If SFC command-line utility fails to fix the problems, it is probably because it can’t get the necessary files from the Windows 10 system image which may be corrupted. You can further check how to use Command Prompt to repair the Windows 10 image.

Windows 10 owns another command-line tool named dism which can be used to scan and fix corrupted Windows 10 recovery image within the installation media. You can type the command lines below in Command Prompt window to check/scan or fix Windows image corruption.

  • DISM /Online /Cleanup-Image /CheckHealth (check corruption in Windows image)
  • DISM /Online /Cleanup-Image /ScanHealth (scan corruption in Windows image)
  • DISM /Online /Cleanup-Image /RestoreHealth /Source:repairSource\install.wim (repair corrupted Windows image)

4.

Run CHKDSK Command Windows 10 to Check Hard Disk Errors

To repair Windows 10 using Command Prompt, in case your Windows 10 problems are caused by hard disk errors, you can use Windows 10 CHKDSK command-line tool to scan and fix logical disk errors. It can also check if there are any bad sectors on computer hard disk.

After you boot to Command Prompt in Windows 10 from Advanced Options or Installation media, you can type chkdsk *: /f /r command line and hit Enter. Replace “*” with the drive letter of the target partition.

5. How to Do a System Restore with Command Prompt

Sometimes if the Windows 10 problems are very severe and the command-line utilities above can’t help, you may try a Windows 10 System Restore in Command Prompt.

Step 1. If your Windows 10 computer has severe problems, you can follow the guide above to boot Windows 10 into Safe Mode with Command Prompt to steer by some ransomware or virus infection and launch Windows 10 in a simplified version.

Tip: If your computer can boot normally, you can press Windows + R keys and type cmd in the Run window to open Command Prompt.

Step 2. Then type the following command in Command Prompt window: rstrui.exe, and hit Enter to open System Restore interface.

Step 3. You can choose the recommended restore point or choose a restore point, and click Next to follow the instructions to do a system restore for your Windows 10 PC/laptop.

6. How to Reset Windows 10 from Command Prompt

Reset This PC feature in Windows 10 can also be used to fix Windows 10 problems when your computer can’t run well. It will restore Windows 10 to factory default configuration, but your personal files can be kept.

Step 1. After you get into Command Prompt window, type this command line: systemreset –cleanpc, and hit Enter. It will bring you a blue Fresh Start window.

Step 2. Click Next to follow the instructions to Reset Windows 10.

This will remove all apps and programs except that come standard with Windows. Apps installed by the computer manufacturer will be kept. Your personal files and some Windows settings will be kept. Your device will be updated to the latest version of Windows 10.

Tip: If your Windows 10 computer won’t boot, you can also boot into recovery mode and select Reset this PC in Advanced options window to reset PC to factory default configuration.

Do you really need to reset or restore Windows 10 from Command Prompt? If the computer can’t boot, it is a choice to boot to Command Prompt Windows 10 to repair, restore and reset Windows 10. Need to mention that the executed commands can’t be reverted. Please be careful when using command lines.

Best Windows 10 Backup, Restore and Recovery Software – MiniTool ShadowMaker

MiniTool ShadowMaker offers an easier way to backup and restore Windows 10/8/7 without data loss.

You can use this best backup software to:

  • Create a system image to backup Windows 10 system to USB drive.
  • Create a bootable recovery USB drive or CD/DVD disc to boot your Windows computer and restore OS to previous state.
  • Restore/recover Windows 10 from the recovery USB dive or CD/DVD disc.
  • Clone disk to backup content of the entire disk.
  • Backup individual files and folders, partitions.
  • Set up automatic scheduled backup for the files and folders.
  • Sync files to other locations to keep data safe.
  • Mount ISO system image as a virtual bootable drive.

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Therefore, if booting to Command Prompt Windows 10 fails to repair Windows 10 problems and your Windows 10 PC can’t boot, you can download and install MiniTool ShadowMaker on a normal-working computer to create bootable media, recovery drive, to boot, back up, and recover Windows 10 computer without data loss.

Recover Lost Data from Windows 10 PC (Boot or Can’t Boot)

Unless your Windows 10 computer has physical problems, you can use MiniTool Power Data Recovery to recover lost data from Windows 10 due to the malfunction of computer, system crash, malware infection, virus attack, hard drive failure or any other data loss cases.

MiniTool Power Data Recovery, the best data recovery software for Windows 10/8/7, enables you to recover deleted files or lost data from computer hard disk, external hard drive, SSD, USB flash drive, SD card, and more. (>> recover my files)

Download and install this 100% clean data recovery program – MiniTool Power Data Recovery — on Windows 10/8/7. And the simple guide is attached below.

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Step 1. Launch MiniTool Power Data Recovery. Under Logical Drives, you can select the target partition and click Scan. You can also select Desktop, Recycle Bin, or a specific folder to scan. To select the whole hard disk to scan, you can click Devices tab and choose the disk.

Step 2. After the scanning process is finished, you can check the scan result to find the lost files you want, and click Save button to store the recovered files to another location (in an aim to avoid data overwriting).

Note: If your Windows 10 computer can’t boot due to logical errors, you can still use this tool to create a bootable media to boot computer into WinPE and use it to recover data when PC won’t boot.

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In conclusion, this post introduces 2 ways to allow you to boot to Command Prompt Windows 10, how to start Windows 10 in Safe Mode with Command Prompt, and offers some solutions for how to repair Windows 10 using Command Prompt. Also, hope the best Windows 10 backup & restore software — MiniTool ShadowMaker, and best free data recovery software – MiniTool Power Data Recovery help you with the Windows 10 OS recovery and data recovery.

Please contact [email protected] if you still have issues in Windows 10 backup & recovery, and data recovery.

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How to Start Windows 10 in Safe Mode with Command Prompt

Windows Safe Mode with Command Prompt is a special startup mode that allows you to access Windows in a stripped down session where many drivers are not loaded, there is no networking, and the desktop is not loaded. From this mode, you can perform fixes, diagnostics, or any other task that you could normally do from a command prompt.

This mode is especially useful when you are trying to remove a computer infection that loads their own program instead of the normal desktop. Using the Windows Safe Mode with Command Prompt you can start Windows before the malware is loaded and then easily remove it.

Unfortunately, in order to increase the boot speed of Windows 10, Microsoft sacrificed easy access to Windows Safe Mode. Now instead of pressing F8 to access Safe Mode, like you did in prior operating systems, you have to go through a variety of steps in order to startup in Safe Mode. These steps are outlined below.

How to Start Windows 10 in Safe Mode with Command Prompt

The easiest way to begin the process of booting into Safe Mode with Command Prompt is from the Windows 10 login screen. To access this screen, you can either log out, reboot your computer, or press the Ctrl+Alt+Delete keys a the same time.

Once you are at the Windows 10 sign-in screen, you should hold down the Shift key on your keyboard and not let it go. While holding down the Shift key, click on the Power button () and then click on Restart.

When Windows 10 restarts, you will be at the Choose an Option screen as shown below.

At the above screen click on the Troubleshooting button to access the Troubleshoot options screen.

At the above screen, now click on the Advanced Options button to access the Advanced Options screen as shown below.

At the above screen, click on the Startup Settings option and you will now be presented with the Startup Settings screen.

At the above screen, click on the Restart button. Windows will now begin to start, but you will be presented with a screen, as shown below, that provides various options you can select to specify how Windows should be started.

At this screen you should press the number 6 key on your keyboard to enter Safe Mode with Command Prompt.

Windows 10 will now boot and you will be presented with the normal login prompt. Enter your password, and you will be brought directly to a Windows Command Prompt rather than the normal Windows desktop as shown below.

From this prompt you can enter commands that you wish to execute and they will run directly from the command prompt. You can also start programs like the Registry Editor (regedit.exe), Task Manager (taskmgr.exe), or the Windows Explorer by typing Explorer.exe and pressing enter.

When you are ready to reboot back into normal mode, once again press Ctrl+Alt+Delete to access the security screen and then shutdown or restart your computer from the power button.

What should I do if I can’t access the login screen?

If you attempt to start Windows and it is unable to properly start, after a few attempts Windows will display a recovery screen similar to the one below.

At this point, you should follow the steps from this point. Doing so will allow you to access the Safe Mode selection screen without first booting into Windows and accessing the login screen.

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Windows 10 Won’t Boot? Fix it with Startup Repair and BootRec Commands

A black screen and a Windows 10 PC that won’t boot often means that your master boot record is on the fritz. Here are two ways to fix it.

In a recent article, we looked at resolving issues with black screens in Windows 10 with some basic troubleshooting tips. But sometimes, Windows 10 fails to boot because of problems with the master boot record. In these cases, repairs need to be made to the master boot record to get things up and running again. Fortunately, the Windows 10 recovery environment includes an automated option for doing just that. And if that doesn’t work, you can do it manually in the command prompt. Read on to find out how.

Why Won’t My Windows 10 PC Boot?

The Windows 10 boot process is quite simple. When your computer starts, the BIOS or UEFI Firmware is loaded, which performs a small set of checks on your hardware called the Power On Self Test (POST). The BIOS then scans the hard disk master boot record, which loads an essential file into main memory called WINLOAD.EXE. This kicks off the start-up process by loading the NTOSKRNL.EXE (NT Kernel, the heart of Windows) and HAL (Hardware Abstraction Layer.) Windows 10 then performs tasks such as initializing your hardware like your mouse and keyboard and reading the Windows Registry and user profile.

If you see a black screen with gray text that reads “Windows Boot Manager” with an error along the lines of “Status: 0xc0000605 Info: A component of the operating system has expired,” then it means something went wrong with WINLOAD.EXE.

This is obviously not a good thing. But it’s not the end of the world either.

Performing a Startup Repair

The first thing you can try is booting into the recovery environment, if possible, and then performing a startup repair. To access the recovery environment, turn your computer on and off three times.  While booting, make sure you turn off the computer when you see the Windows logo. After the third time, Windows 10 will boot into diagnostics mode. Click Advanced options when the recovery screen appears.

Click Troubleshoot.

Click Advanced options.

Then, click Startup Repair.

Fix Windows 10 Winload.exe Using the Command Prompt

If you are unable to perform a startup repair, then your next option is to try using your Windows 10 installation media to fix the boot error.

If you don’t have installation media, you will need to go to a working computer and Create a Windows 10 USB Bootable Flash Drive. You can also go to a working Windows 10 PC and create a recovery drive.  When using a USB drive, make sure to set up your BIOS to boot from the USB drive.

After booting into setup, choose the Repair Computer option > Troubleshoot > Advanced Options > Command Prompt. If you are using a recovery drive, click Troubleshoot > Advanced Options > Command Prompt.

Once you have the command prompt up on the screen, you will need to issue a set of commands to find and resolve issues that might be preventing your computer from booting.

Type BOOTREC /FIXMBR and hit <Enter>.

This command will attempt to fix any corruption issues with the master boot record.

If all goes well, you should see The operation completed successfully.

Next, type BOOTREC /FIXBOOT then hit <Enter>.

This command will attempt to write a new boot sector on the hard disk if Windows detects damage. Usually, this happens in cases where an older version of Windows was installed, or a non-compatible operating system such as Linux was installed.

If you are seeing an error such as Boot Manager is Missing, then the BOOTREC /RebuildBcd command might be able to fix it. This operation can also restore boot entries for older versions of Windows if you have a dual boot configuration.

If BOOTREC /RebuildBcd does not work, then Microsoft recommends you back up your BCD (Boot Configuration Data) store, then run the BOOTREC /RebuildBcd command again. Here is how you do it.

Type each command then hit <Enter>:

  • bcdedit /export C:\BCD_Backup
  • c:
  • cd boot
  • attrib bcd -s -h -r
  • ren c:\boot\bcd bcd.old
  • bootrec /RebuildBcd

Another option if you are dual booting with older versions of Windows such as Windows 7 is the BOOTREC /ScanOs command. The ScanOS command can find and restore entries for older versions of Windows.

What if None of These Options Work?

Your next best option is to try salvaging your data and then reinstalling Windows 10 and your applications. If you have your Windows 10 install media, you can boot from it, then perform a custom install. This will create an archive of the old installation called Windows.old. You can then recover your personal files from this folder. Make sure you perform a custom install that migrates your Windows.old data. Otherwise, all your data will be erased.

If you don’t want to risk overwriting your data by reinstalling Windows, check out this article on How to Recover Data from a Hard Drive that Won’t Boot.

Conclusion

That’s a look at repairing a broken Windows 10 installation. While these occurrences should be exceedingly rare for most everyday users, they can occur during riskier operations, like reinstalling Windows, resizing partitions, or setting up a dual boot. While the steps above can help, it’s always a good idea to perform a thorough backup in advance.

Related Items:Windows 10

Advanced startup options (including safe mode)

Windows 7 More. ..Less

The Advanced Boot Options screen lets you start Windows in advanced troubleshooting modes. You can access the menu by turning on your computer and pressing the F8 key before Windows starts.


Some options, such as safe mode, start Windows in a limited state, where only the bare essentials are started. If a problem doesn’t reappear when you start in safe mode, you can eliminate the default settings and basic device drivers and services as possible causes. Other options start Windows with advanced features intended for use by system administrators and IT professionals. For more information, go to the Microsoft website for IT professionals.


Repair Your Computer


Shows a list of system recovery tools you can use to repair startup problems, run diagnostics, or restore your system. This option is available only if the tools are installed on your computer’s hard disk. If you have a Windows installation disc, the system recovery tools are located on that disc.



Safe Mode


Starts Windows with a minimal set of drivers and services.

To start in safe mode:

  1. Remove all floppy disks, CDs, and DVDs from your computer, and then restart your computer. Click the Start button , click the arrow next to the Shut Down button (or the arrow next to the Lock button), and then click Restart.

  2. Do one of the following:

    • If your computer has a single operating system installed, press and hold the F8 key as your computer restarts. You need to press F8 before the Windows logo appears. If the Windows logo appears, you’ll need to try again by waiting until the Windows logon prompt appears, and then shutting down and restarting your computer.

    • If your computer has more than one operating system, use the arrow keys to highlight the operating system you want to start in safe mode, and then press F8.

  3. On the Advanced Boot Options screen, use the arrow keys to highlight the safe mode option you want, and then press Enter.

  4. Log on to your computer with a user account that has administrator rights.


  • Safe Mode with Networking. Starts Windows in safe mode and includes the network drivers and services needed to access the Internet or other computers on your network.


  • Safe Mode with Command Prompt. Starts Windows in safe mode with a command prompt window instead of the usual Windows interface. This option is intended for IT professionals and administrators.


  • Enable Boot Logging. Creates a file, ntbtlog.txt, that lists all the drivers that are installed during startup and that might be useful for advanced troubleshooting.


  • Enable low-resolution video (640×480). Starts Windows using your current video driver and using low resolution and refresh rate settings. You can use this mode to reset your display settings. For more information, see Change your screen resolution.


  • Last Known Good Configuration (advanced). Starts Windows with the last registry and driver configuration that worked successfully.


  • Directory Services Restore Mode. Starts Windows domain controller running Active Directory so that the directory service can be restored. This option is intended for IT professionals and administrators.


  • Debugging Mode. Starts Windows in an advanced troubleshooting mode intended for IT professionals and system administrators.


  • Disable automatic restart on system failure. Prevents Windows from automatically restarting if an error causes Windows to fail. Choose this option only if Windows is stuck in a loop where Windows fails, attempts to restart, and fails again repeatedly.


  • Disable Driver Signature Enforcement. Allows drivers containing improper signatures to be installed.


  • Start Windows Normally. Starts Windows in its normal mode.

How to perform a clean boot in Windows

Notes: If your issue prevents you from booting into Windows, you won’t be able to follow the steps in this article. After the device tries to restart a few times, you should get Windows Recovery Options, which you can use to try to resolve the issue. Click a link below that corresponds to your version of Windows:

  • Windows 11, Windows 10: Recovery options in Windows

  • Windows 8.1: How to refresh, reset, or restore your PC

Summary


A «clean boot» starts Windows with a minimal set of drivers and startup programs, so that you can determine whether a background program is interfering with your game or program.   This is similar to starting Windows in Safe Mode, but provides you more control over which services and programs run at startup to help you isolate the cause of a problem.  


How to perform a clean boot


These steps might look complicated at first glance, but following them in order, step-by-step, will help you get you back on track.


  1. Sign in to the computer as an administrator. If you are unsure if your account has administrator rights, see Create a local user or administrator account in Windows to find out how to see if your account has administrator rights, and grant them to your account, if necessary.

  2. On the Services tab of System Configuration, select Hide all Microsoft services, and then select Disable all. Select Apply.

  3. On the Startup tab in Task Manager, for each Enabled startup item, select the item and then select Disable. (Keep track of which items have been Disabled. You will need to know this later.)

  4. Close Task Manager.

  5. On the Startup tab of System Configuration, select OK. When you restart the computer, it will be in a clean boot environment. Follow troubleshooting steps to install, uninstall, or run your application. Your computer might temporarily lose some functionality while in a clean boot environment. Reset the computer to start normally after clean boot troubleshooting and resume functionality.

Install, uninstall, or run an application


After you restart the computer, you’ll have a clean boot environment. Then, do one of the following, as appropriate for your situation:



Note: If you receive the «The Windows Installer service could not be accessed» error during the installation or uninstallation, you’ll need more information. See How to start the Windows Installer service when system services are not loaded. Then install or uninstall the program or update again.

If the installation or uninstallation is successful, your issue is resolved and you can start as you usually do.


How to reset the computer to start as usual 

If the installation or uninstallation still fails, that means this issue is not caused by application or service interference. You might need to contact the program manufacturer for more specific support.


If the program runs correctly, this issue is caused by application or service interference. You can find out which application or service is causing the issue.


How to determine what is causing the issue by performing a clean boot

If the program still doesn’t run as expected, this issue is not caused by application or service interference. You might need to contact the program manufacturer for more specific support.

How to determine what is causing the problem after you do a clean boot


If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer.  While turning on a single service or startup item and rebooting each time will eventually find the problematic service or application, the most efficient way to do this is to test half of them at a time, thus eliminating half of the items as the potential cause with each reboot of the computer. You can then repeat this process until you’ve isolated the problem. Here’s how:

  1. Sign in to the computer as an administrator. If you are unsure if your account has administrator rights, see Create a local user or administrator account in Windows to find out how to see if your account has administrator rights, and grant them to your account, if necessary.

  2. Select Search , then type msconfig.  Select System Configuration from the list of results.

  3. Select the Services tab, and then select Hide all Microsoft services.

  4. Select each of the check boxes in the upper half of the Service list.

  5. Select OK, then select Restart.

  6. After the computer restarts, determine whether the problem still occurs.

    • If the problem still occurs, one of the checked items is the problematic service. Repeat steps 1 through 6, but in Step 4, clear the lower half of the boxes in the Service list that you selected in your last test.

    • If the problem doesn’t occur, the checked items are not the cause of the problem. Repeat steps 1 through 6, but in Step 4, turn on the upper half of the boxes that you cleared in the Service list in the last test.

    • Repeat these steps until you’ve either isolated the problem to a single service, or until you’ve determined that none of the services are the cause of the problem.  If you experience the problem when only one service is selected in the Service list, go to step 10. If none of the services cause the problem, go to step 7.

  7. Select Startup, then select Open Task Manager. On the Startup tab on Task Manager, one at a time, select the upper half of the items you Disabled earlier, then select Enable.

  8. Select OK, then select Restart.

    • If the problem occurs, repeat step 7, but this time Disable the lower half of the items you Enabled in your last test.

    • If the problem does not occur, repeat step 7, but Disable everything you Enabled in your last test and Enable the other half of the items you Disabled.

    • If you still experience the problem after only one Startup item is Enabled, then the Enabled item is the one causing the problem, and you should go to step 9. If no Startup item causes the problem, there might be a problem with a Microsoft service. See Recovery options in Windows.

  9. After you determine the startup item or the service that causes the problem, contact the program manufacturer to determine whether the problem can be resolved, or run Windows with the service unchecked or the Startup item Disabled.

Reset the computer to start normally after clean boot troubleshooting


After you finish troubleshooting, follow these steps to reset the computer to start normally.

  1. Select Search , then type msconfig. Select System Configuration from the list of results.

  2. On the General tab, select Normal Startup.

  3. Select the Services tab, clear the check box beside Hide all Microsoft services, select Enable all, then select Apply.

  4. Select the Startup tab, then select Open Task Manager.

  5. In Task Manager, Enable all of the startup programs you had Disabled before, and then select OK.

  6. When you’re prompted to restart the computer, select Restart.

How to start the Windows Installer service when system services are not loaded


If you run a Setup program without starting the Windows Installer service, you might receive the following error message:

The Windows Installer service could not be accessed. Contact your support personnel to verify that the Windows Installer service is properly registered.

The Windows Installer service doesn’t start if you clear the Load system services check box in the System Configuration utility. To use the Windows Installer service when system services are not loaded, start the service manually. Here’s how:

  1. Select Search , then type computer management. Select Computer Management from the list of results.

  2. In the console tree, select the arrow to expand Services and Applications, and then select Services.

  3. In the details pane, right-click or swipe down on Windows Installer, and then select Start.

  1. Sign in to the computer as an administrator. If you don’t have an administrator account, you can create one.

    Create a local user or administrator account in Windows

  2. In the Search box on the taskbar, type msconfig and select System Configuration from the list of results.

    Important: If the computer is connected to a network, network policy settings might prevent you from following these steps. Only use the System Configuration utility to change the advanced boot options on the computer with guidance from a Microsoft support engineer.  Using the System Configuration utility might make the computer unusable.

  3. On the Services tab of System Configuration, select Hide all Microsoft services, and then select Disable all. Select Apply.

  4. On the Startup tab of System Configuration, select Open Task Manager.

  5. On the Startup tab in Task Manager, for each Enabled startup item, select the item and then select Disable. (Keep track of which items have been Disabled. You will need to know this later.)

  6. Close Task Manager.

  7. On the Startup tab of System Configuration, select OK. When you restart the computer, it’s in a clean boot environment. Follow troubleshooting steps to install, uninstall, or run your application. Your computer might temporarily lose some functionality while in a clean boot environment. Reset the computer to start normally after clean boot troubleshooting and resume functionality.

Install, uninstall, or run an application


After you restart the computer, you’ll have a clean boot environment. Then, do one of the following, as appropriate for your situation:



Note: If you receive the «The Windows Installer service could not be accessed» error during the installation or uninstallation, you’ll need more information. See How to start the Windows Installer service when system services are not loaded. Then install or uninstall the program or update again.

If the installation or uninstallation is successful, your issue is resolved and you can start as you usually do.


How to reset the computer to start as usual 

If the installation or uninstallation still fails, that means this issue is not caused by application or service interference. You might need to contact the program manufacturer for more specific support.


If the program runs correctly, this issue is caused by application or service interference.  You can find out which application or service is causing the issue.


How to determine what is causing the issue by performing a clean boot

If the program still doesn’t run as expected, this issue is not caused by application or service interference. You might need to contact the program manufacturer for more specific support.

How to determine what is causing the problem after you do a clean boot


If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer. While turning on a single service or startup item and rebooting each time will eventually find the problematic service or application, the most efficient way to do this is to test half of them at a time, thus eliminating half of the items as the potential cause with each reboot of the computer.  You can then repeat this process until you’ve isolated the problem. Here’s how:

  1. Sign in to the computer by using an account that has administrator rights. If you don’t have an administrator account, you can create one.

    Create a local user or administrator account in Windows

  2. In the Search box on the taskbar, type msconfig. Select System Configuration from the list of results.

  3. Select the Services tab, and then select Hide all Microsoft services.

  4. Select each of the check boxes in the upper half of the Service list.

  5. Select OK, then select Restart.

  6. After the computer restarts, determine whether the problem still occurs.

    • If the problem still occurs, one of the checked items is the problematic service. Repeat steps 1 through 6, but in Step 4, clear the lower half of the boxes in the Service list that you selected in your last test.

    • If the problem doesn’t occur, the checked items are not the cause of the problem. Repeat steps 1 through 6, but in Step 4, turn on the upper half of the boxes that you cleared in the Service list in the last test.

    • Repeat these steps until you’ve either isolated the problem to a single service, or until you’ve determined that none of the services are the cause of the problem. If you experience the problem when only one service is selected in the Service list, go to step 9. If none of the services cause the problem, go to step 7.

  7. Select OK, then select Restart.

    • If the problem occurs, repeat step 7, but this time Disable the lower half of the items you Enabled in your last test.

    • If the problem does not occur, repeat step 7, but Disable everything you Enabled in your last test and Enable the other half of the items you Disabled.

    • If you still experience the problem after only one Startup item is Enabled, then the Enabled item is the one causing the problem, and you should go to step 9. If no Startup item causes the problem, there might be a problem with a Microsoft service. See Recovery options in Windows.

  8. After you determine the startup item or the service that causes the problem, contact the program manufacturer to determine whether the problem can be resolved, or run Windows with the service unchecked or the Startup item Disabled.

Reset the computer to start normally after clean boot troubleshooting


After you finish troubleshooting, follow these steps to reset the computer to start normally.

  1. In the Search box on the taskbar, type msconfig. Select System Configuration from the list of results.

  2. On the General tab, select Normal Startup.

  3. Select the Services tab, clear the check box beside Hide all Microsoft services, select Enable all, then select Apply.

  4. In Task Manager, Enable all of the startup programs you had Disabled before, and then select OK.

  5. When you’re prompted to restart the computer, select Restart.

How to start the Windows Installer service when system services are not loaded


If you run a Setup program without starting the Windows Installer service, you might receive the following error message:

The Windows Installer service could not be accessed. Contact your support personnel to verify that the Windows Installer service is properly registered.

The Windows Installer service doesn’t start if you clear the Load system services check box in the System Configuration utility. To use the Windows Installer service when system services are not loaded, start the service manually. Here’s how:

  1. In the Search box on the taskbar, type computer management. Select Computer Management from the list of results.

  2. In the console tree, select the arrow to expand Services and Applications, and then select Services.

  3. In the details pane, right-click or swipe down on Windows Installer, and then select Start.

  1. Swipe in from the right edge of the screen, and then select Search . Or, if you’re using a mouse, point to the lower-right corner of the screen, and then select Search .

  2. Type msconfig in the search box, and then select System Configuration.

  3. On the Startup tab of System Configuration, select Open Task Manager.

  4. On the Startup tab in Task Manager, for each Enabled startup item, select the item and then select Disable. (Keep track of which items have been Disabled. You will need to know this later.)

  5. Close Task Manager.

  6. On the Startup tab of System Configuration, select OK, and then restart the computer.  

The computer restarts in a clean boot environment. Follow troubleshooting steps to install, uninstall, or run your application. Your computer might temporarily lose some functionality while in a clean boot environment, however that functionality will return. Finish troubleshooting and reset the computer to start normally.

Install, uninstall, or run an application


After you restart the computer, you’ll have a clean boot environment. Then, do one of the following, as appropriate for your situation:



Note: If you receive the «The Windows Installer service could not be accessed» error during the installation or uninstallation, you’ll need more information. See How to start the Windows Installer service when system services are not loaded. Then install or uninstall the program or update again.

If the installation or uninstallation is successful, your issue is resolved and you can start as you usually do.


How to reset the computer to start as usual 

If the installation or uninstallation still fails, that means this issue is not caused by application or service interference. You might need to contact the program manufacturer for more specific support.


If the program runs correctly, this issue is caused by application or service interference.  You can find out which application or service is causing the issue.


How to determine what is causing the issue by performing a clean boot

If the program still doesn’t run as expected, this issue is not caused by application or service interference. You might need to contact the program manufacturer for more specific support.

How to determine what is causing the problem after you do a clean boot


If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer. While turning on a single service or startup item and rebooting each time will eventually find the problematic service or application, the most efficient way to do this is to test half of them at a time, thus eliminating half of the items as the potential cause with each reboot of the computer.  You can then repeat this process until you’ve isolated the problem. Here’s how:

  1. Sign in to the computer by using an account that has administrator rights. If you don’t have an administrator account, you can create one.

    ​​​​​​​
    Create a local user or administrator account in Windows

  2. Swipe in from the right edge of the screen, and then select Search . Or, if you’re using a mouse, point to the lower-right corner of the screen, and then select Search .

  3. Type msconfig in the search box, and select System Configuration from the list of results.

  4. Select the Services tab, and then select Hide all Microsoft services.

  5. Select each of the check boxes in the upper half of the Service list.

  6. Select OK, then select Restart.

  7. After the computer restarts, determine whether the problem still occurs.

    • If the problem doesn’t occur, the checked items are not the cause of the problem. Repeat steps 1 through 7, but in Step 5, turn on the upper half of the boxes that you cleared in the Service list in the last test.

    • Repeat these steps until you’ve either isolated the problem to a single service, or until you’ve determined that none of the services are the cause of the problem.  If you experience the problem when only one service is selected in the Service list, go to step 10. If none of the services cause the problem, go to step 8.

  8. Select Startup, then select Open Task Manager. On the Startup tab on Task Manager, one at a time, select the upper half of the items you Disabled earlier, then select Enable.

  9. Select OK, then select Restart.

    • If the problem occurs, repeat step 8, but this time Disable the lower half of the items you Enabled in your last test.

    • If the problem does not occur, repeat step 8, but Disable everything you Enabled in your last test and Enable the other half of the items you Disabled.

    • If you still experience the problem after only one Startup item is Enabled, then the Enabled item is the one causing the problem, and you should go to step 10. If no Startup item causes the problem, there might be a problem with a Microsoft service. See How to refresh, reset, or restore your PC​​​​​​​.

  10. After you determine the startup item or the service that causes the problem, contact the program manufacturer to determine whether the problem can be resolved, or run Windows with the service unchecked or the Startup item Disabled.

Reset the computer to start normally after clean boot troubleshooting


After you finish troubleshooting, follow these steps to reset the computer to start normally.

  1. Swipe in from the right edge of the screen, and then select Search . Or, if you’re using a mouse, point to the lower-right corner of the screen, and then select Search .

  2. Type msconfig in the search box, and select System Configuration from the list of results.

  3. Select the Services tab, clear the check box beside Hide all Microsoft services, select Enable all, then select Apply.

  4. Select the Startup tab, then select Open Task Manager.

  5. In Task Manager, Enable all of the startup programs you had Disabled before, and then select OK.

  6. In the search box on the taskbar, type computer management. Select Computer Management from the list of results.

  7. In the console tree, select the arrow to expand Services and Applications, and then select Services.

  8. In the details pane, right-click or swipe down on Windows Installer, and then select Start.


How to Restart Microsoft Windows

Updated: 12/05/2021 by Computer Hope

Restarting your computer is necessary for many common tasks, including installing new software and performing Windows Updates. Restarting your computer is also referred to as a soft reboot. This page contains multiple methods for restarting Windows correctly. To proceed, select the method you want to use from the list below or read through each section individually.

Tip

If the computer is frozen (keyboard and mouse don’t work or move), or there’s nothing displayed, press and hold down the power button until the computer turns off. Once the computer is off, you can turn the computer back on to restart the computer.

Tip

If the computer has a blue screen or another error, try the Ctrl+Alt+Del shortcut method of rebooting.

  • Restart from the Windows desktop.
  • Using the Start menu.
  • Ctrl+Alt+Del method.
  • Using the Windows command line.
  • How to reboot from an error message.
  • Physical restart with button on computer.

Restarting from the Windows desktop

In any version of Windows, navigate to the desktop and press Alt+F4 on your keyboard. Doing so brings up a menu similar to the one displayed below. Click the down arrow for the drop-down list, select Restart, and click OK.

Note

If you have not updated Windows 8 to version 8.1, see: How to Sleep, Restart, or Shut down Windows 8.

Restarting through the Start menu

  • Windows 11
  • Windows 10
  • Windows 8 and 8.1
  • Windows Vista and 7
  • Windows XP and prior versions

Windows 11

The Start menu in Windows 11 is slightly different from previous versions. To restart Windows from the Windows 11 Start menu, follow the steps below.

  1. Click Start in the middle of the taskbar.
  2. Click the Power option in the lower-right corner of the Start menu.
  3. Select Restart in the pop-up menu.

Windows 10

The Start menu returns in Windows 10, allowing users to access the power options easily.

  1. Click Start in the lower-left corner of the screen.
  2. Click the Power option.
  3. In the Power menu, select the Restart option.

Windows 8 and 8.1

Neither of these versions of Windows has the Start menu. However, with the 8.1 update, Microsoft added the power options button to the upper-right corner of the Start screen that allows users to restart their computer quickly. Click the power options icon (squared in red in the image below) and select Restart from the drop-down menu that appears.

Windows Vista and 7

In both Windows Vista and Windows 7, users may restart their computer through the Start menu using the following steps:

  1. Click Start in the lower-left corner of the Windows desktop.
  2. Locate and click the right arrow (shown below) next to the Shut down button.
  3. Select Restart from the menu that appears.

Windows XP and prior versions

  1. Click Start in the lower-left corner of the screen.
  2. Click the Shut Down button.
  3. Select Restart in the drop-down menu that appears.
  4. Click OK.

Using Ctrl+Alt+Delete to restart

If your mouse (or touchpad) isn’t responding, or you don’t have a mouse, you can restart your computer using your keyboard. If you press the Ctrl+Alt+Del keys on your keyboard simultaneously, it brings up an administrative menu. This menu differs between versions of Windows, but each one allows users access to the Restart function. Select the version of Windows on your computer in the list below and follow the instructions.

Note

If the computer has a blue screen or another error, try the Ctrl+Alt+Del method of rebooting.

Select the version of Windows on your computer in the list below and follow the instructions.

  • Windows 10 and 11
  • Windows 8
  • Windows Vista and 7
  • Windows XP and prior versions

Windows 10 and 11

In Windows 10 and Windows 11, pressing Ctrl+Alt+Del takes you to the Windows lock screen. To restart Windows:

  1. Locate and click the power icon in the lower-right corner of the lock screen. It should be the icon furthest to the right.
  2. Select Restart from the menu that appears.

Windows 8

Users of Windows 8 will be taken to the Windows lock screen upon pushing Ctrl+Alt+Del. To restart Windows:

  1. Locate and click the black power button in the lower-right corner of the screen.
  2. Select Restart from the menu that appears.

Windows Vista and 7

In Windows Vista and 7, pressing Ctrl+Alt+Del takes users to the Windows lock screen containing several options. In the lower-right corner, there is a red button with an arrow next to it. Clicking this button opens a list of shutdown options, as you can see in the image. To restart your computer using this menu:

  1. Click the red arrow to open the menu.
  2. Select Restart to reboot your machine.

Windows XP and prior

In Windows XP and earlier, Ctrl+Alt+Del brings up the Windows Security screen. To restart:

  1. Click the Shut Down button.
  2. In the new window that appears, click the down arrow and select Restart from the drop-down menu.
  3. Click OK.

Using the Windows command line

You can shut down or restart a Windows computer using the Windows command prompt by following the steps below.

  1. Open the Windows Command Prompt.
  2. To shut down Windows, type shutdown -s and press Enter.
  3. To restart Windows, type shutdown -r and press Enter.

Note

If you access Windows on a computer through a remote desktop connection and execute the shutdown or restart command, the remote desktop connection will be terminated. If you execute the restart command, you can reconnect to that computer once it has restarted. If you executed the shutdown command, you can’t reconnect to and start-up that computer remotely.

How to reboot from an error message

If the computer encounters an error, you can reboot or restart the computer by pressing the Ctrl+Alt+Del keys simultaneously. If these keys do not work, you can also perform the physical restart mentioned below.

Physical restart with button on computer

You can use the computer’s power button to restart. Press the power button once and wait for the computer to shut down. Press the power button again to turn the computer back on.

If your computer is frozen or does not turn off, press and hold the power button for five seconds to manually shut the computer off. This action is known as a hard reset and should only be done if all of the above options do not work.

Note

Some computers also have a reset button next to or below the power button.

  • Why does Windows restart without warning?
  • How to restart a Mac.
  • How to turn off, restart, and shut down Linux.
  • See the reboot and warm boot definitions for related links and information.
  • Microsoft Windows help and support.

Using the command line to fix problems with Windows boot entries

If your computer won’t start, automatic startup error fixes don’t help, or you just see one of the errors like «No bootable device. Insert boot disk and press any key ”- in all these cases, fixing the MBR boot records and the BCD boot configuration can help, which will be discussed in this instruction. (But not necessarily help, depends on the specific situation).

I have already written articles on a similar topic, such as How to restore the Windows bootloader, but this time I decided to cover it in more detail (after I was asked about how to start the Aomei OneKey Recovery recovery if it was removed from the boot, and Windows stopped starting).

Update: If you have Windows 10, then look here: Repairing the Windows 10 Boot Loader.

Bootrec.exe — Windows Boot Error Repair Utility we will have the bootrec.exe recovery tool available on the system, run from the command line.

In this case, the command line will need to be launched not inside running Windows, but in a slightly different way:

  • For Windows 7, you will either need to boot from a pre-created recovery disk (created in the system itself) or from the distribution. When booting from the distribution kit, at the bottom of the installation start window (after choosing the language), select «System Restore» and then launch the command line.
  • For Windows 8.1 and 8, you can use the distribution kit almost as described in the previous paragraph (System Restore — Diagnostics — Advanced Options — Command Line). Or, if you have the ability to launch Windows 8’s «Special Boot Options», the command prompt can also be found in advanced options and run from there.

If you type bootrec.exe at the command prompt that you start in this way, you can see all the available commands. In general, their description is clear enough without my explanations, but just in case, I will describe each item and its scope.

Writing a new boot sector

Running bootrec.exe with the /FixBoot option will write a new boot sector to the system partition of the hard drive, using a boot partition that is compatible with your operating system, Windows 7, 8.1, or Windows 10.

The use of this parameter is useful in cases where:

  • The boot sector is damaged (for example, after changing the structure and size of hard disk partitions)
  • An older version of Windows was installed after a newer one (For example, you installed Windows XP after Windows 8)
  • A non-Windows compatible boot sector was written.

To write a new boot sector, simply run bootrec with the specified parameter, as shown in the screenshot below.

Fix MBR (Master Boot Record, Master Boot Record)

The first useful bootrec.exe option is FixMbr, which allows you to fix the MBR or Windows bootloader. When using it, the damaged MBR is overwritten with a new one. The boot record is located on the first sector of the hard drive and tells the BIOS how and where to start loading the operating system. If damaged, you may see the following errors:

  • No bootable device
  • Missing operating system
  • Non-system disk or disk error
  • In addition, if you get a message that the computer is locked (virus) before Windows starts loading, fixing the MBR and booting can also help here.

To run a boot record repair, type bootrec at the command prompt. exe / fixmbr and press Enter.

Search for lost Windows installations in boot menu

If you have several Windows systems older than Vista installed on your computer, but not all of them appear in the boot menu, you can run the bootrec. exe /scanos command to search for all installed systems (and not only, for example, you can add to the menu in the same way boot recovery partition of OneKey Recovery).

In the event that Windows installations were found on your computer, use Recreating the BCD Boot Configuration Store (next section) to add them to the boot menu.

Rebuilding the BCD — Windows Boot Configurations

To rebuild the BCD (Windows Boot Configuration) to include all lost Windows installations (and Windows-based recovery partitions), use the bootrec.exe /RebuildBcd command.

In some cases, if the above steps do not help, it is worth trying the following commands before performing a BCD rewrite:

  • bootrec.exe /fixmbr
  • bootsect.exe /nt60 all /force

Conclusion

As you can see, bootrec.exe is quite a powerful tool for fixing various Windows boot errors and, I can say for sure, one of the most frequently used by specialists when solving problems with users’ computers . I hope you will need this information one day.

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More download options (including safe mode)

Windows 7 More…Less

On the Advanced Boot Options screen, you can start Windows in advanced troubleshooting mode. You can open the menu by turning on your computer and pressing the F8 key before starting Windows.

Some settings, such as safe mode, start Windows in a restricted state where only core components start. If the problem does not occur when starting in safe mode, you can exclude default settings, basic device drivers, and services from the list of possible causes of the problem. Other options allow you to start Windows with additional features intended for system administrators and IT professionals. More information can be found on the Microsoft website for IT professionals.

System recovery

Displays a list of system recovery tools that you can use to troubleshoot problems that occur when you start Windows, or to run diagnostics or system recovery tools. This option is available only if these tools are installed on your computer’s hard drive. If you have a Windows installation disc, then the system recovery tools are located on it.

Safe Mode

Starting Windows with a minimal set of drivers and services.

To start Windows in safe mode, follow these steps:

  1. Remove all floppy disks, CDs, and DVDs from the computer, and then restart the computer. Click the Start button , click the arrow next to the Shut down button (or the arrow next to the Block ) and then select Restart .

  2. Do one of the following:

    • If your computer has multiple operating systems, use the arrow keys to select the operating system that you want to start in safe mode, and then press F8.

  3. On screen Advanced Boot Options , use the arrow keys to select the safe mode option you want, and then press ENTER.

  4. Safe mode with loading network drivers. Starting Windows in safe mode and loading the network drivers and services required to access the Internet or other computers on the local network.

  5. Safe mode with command line support. Starting Windows in safe mode with a command prompt window instead of the normal Windows interface. This option is intended for IT professionals and administrators.

  6. Keep a download log. Generates an ntbtlog. txt file that logs all drivers installed during startup. This information may be useful for advanced diagnostics.

  7. Enable low resolution (640×480) video mode. Starting Windows with the current video driver and low resolutions and refresh rates. This mode can be used to reset the display settings. For more information, see Change the screen resolution.

  8. Last Known Good Configuration (optional). Starting Windows using the last successful registry and driver configuration.

  9. Directory Services Restore Mode. Starting a Windows domain controller running Active Directory to restore the directory service. This option is intended for IT professionals and administrators.

  10. Debug mode. Starting Windows in advanced diagnostic mode for IT professionals and system administrators.

  11. Disable automatic reboot on system failure. Prevent Windows from automatically restarting in the event of a system crash. This option should only be selected if Windows has entered a loop where a system failure causes a restart and the system keeps restarting over and over again.

  12. Disable mandatory driver signature verification. Allows you to install drivers that contain incorrect signatures.

  13. Normal boot Windows. Windows starts normally.

  14. How to download windows 10 via command line

    Content

    1. How to restore Windows 10 bootloader through the command line
    2. Restoration of the bootloader through the recovery environment
    3. Restoration through command line
    4. Method 1
    5. Method 2
    6. How to restore the Windows
    7. loader: Windows
    8. Causes of Boot Loader Problems

    9. Boot Repair
    10. Restoring the Windows Boot Loader from Command Prompt
    11. Recovering deleted data
    12. Frequently asked questions
    13. How do I restore the Windows 10 bootloader via the command line?
    14. Causes of damage to the Windows 10 bootloader
    15. Restoring the bootloader using installation media
    16. Restoring the bootloader from the command line
    17. Installing windows 10 via the command line0016
    18. What is the «Bootloader» and what role does it play in the system
    19. Why problems can arise with it
    20. How to restore the «Bootloader» on Windows 10
    21. Automatic recovery at boot using the Windows installation disc
    22. Recovering boot files through the “Command line”
    23. Another way to solve the problem in the “Command line”
    24. Video: how to make the “Loader” workable
    25. Video

    How to restore the Windows 10 bootloader via the command line

    Those users who often encounter various errors in Windows know at least a little how to solve them. If you are not one of them, then an error like «No bootable device found …», «Bootmgr is Missing» or the like can be a little scary. Considering also the fact that at the same time the computer does not boot, but instead of the usual desktop, a black screen appears.

    So, they mean nothing more than damage to boot files, that is, those without which the system simply cannot start normally. The most common reasons why this happens:

    Now I will show you several ways to help you restore the Windows 10 bootloader. One of them is through the recovery environment. You just indicate what problem you have, and the system itself will try to solve it. All others involve using the command line.

    Before you transgress, you need to create a bootable USB flash drive or Windows 10 disk with the same bitness (32 or 64 bits) that you have installed. Or you can use a flash drive / disk with the files with which you installed the top ten.

    Next, connect it to a PC and change the boot priority in UEFI or BIOS. This is written in the article: the beginning of the installation of Windows. You can also read: how to enter BIOS.

    Restoring the bootloader through the recovery environment

    “Computer Diagnostics” will start and if there are no serious problems with the boot files, the system will find and fix all the errors itself.

    Command line recovery

    Then use one of the methods described below.

    Method 1

    First you need to try to restore the bootloader files.

    If 2 Windows is installed, follow the steps described for the first and then for the second operating system.

    When you receive a message that the operation completed successfully, close the command prompt and exit the installer. Then remove the bootable flash drive/disk and reboot the system from the hard drive.

    If errors appear after fixing the bootloader and logging in, restart the computer. The error may appear 1-2 times, and then disappear.

    Method 2

    This method involves completely formatting the boot volume and creating new files.

    After you determine the number of the hidden partition, you need to select it. To do this, enter the command: select volume 3 (you may have a different number instead of «3»).

    Next, you need to give the formatted volume a name: assign letter=Z (you can choose any other letter instead of Z, just don’t use what is already there: C, D, etc.).

    Now you need to delete the letter assigned to the hidden volume:

    If not one, but two Windows operating systems are installed, you need to do all the steps described for the first, and then for the second.

    Now you need to close the command line and boot not from the flash drive, but from the hard drive installed on the PC.

    Method 3

    Another way to restore the bootloader is described in the article: how to restore the bootloader in Windows 7. To do this, you will need the command line and the Bootrec utility. The commands that are used are the following:

    Bootrec.exe /FixMbr
    Bootrec.exe /FixBoot
    bootsect /NT60 SYS
    Bootrec.exe /RebuildBcd

    Go to the article and read how to use them exactly.

    If the very first way to restore the Windows 10 bootloader is successful, then you are in luck. If it does not help, then you will have to use the command line. Here, analyze the list of connected partitions very carefully. To determine the hidden volumes and those on which dozens of files are located, it is best to pay attention to their size and navigate by it.

    Source

    How to repair the Windows bootloader

    Windows gives an error during boot and does not start? Troubleshooting the startup of the operating system and restoring the functionality of the bootloader can be done using the command line.

    Contents:

    Causes of Bootloader Problems

    Problems booting Windows is a clear sign of corrupted files responsible for booting the OS. Incorrect system startup can be caused by many reasons.

    The most common of them:

    Recovery at boot

    «Broken» or missing OS loader files lead to the impossibility of starting and correct operation of the computer. In this case, you need to resort to repairing the Windows bootloader in the following way:

    Step 1. To start repairing the boot, you will need Windows recovery disk or bootable USB flash drive . Important: for the correct operation of the recovery system, it is necessary to boot in the same bit depth (32 or 64-bit) as the current OS. If booting from an installation disc, you must select 9 on the installation screen0366 System Restore .

    Step 2. On the recovery screen, select item Diagnostics .

    Step 3. In the window that opens, select Startup Repair .

    This will activate automatic recovery and fix problems that prevent the OS from booting normally.

    Unfortunately, automatic recovery methods do not always help restore the operating system, so sometimes you should resort to manual recovery using the command line.

    Restoring the Windows bootloader using the command line

    To start restoring the bootloader using the command line , you must first open it. This can be done using a bootable USB flash drive or the recovery and diagnostic menu.

    If you are using a boot drive, you must press Sfit+F10 on the language selection screen.

    You can enter the command line through the diagnostics menu by clicking on the corresponding icon.

    After opening the command line, you must enter the following commands:

    The introduction of each command must be confirmed with the key Enter .

    This order will allow you to find out which drive is the system drive (by default it is drive C), and based on this knowledge, try to perform a software recovery of the bootloader files .

    After that, you need to enter the command bcdboot c:\windows , which fixes most problems with the bootloader.

    It is worth noting that if there are several operating systems installed on the computer, these steps should be done in turn for each system .

    If this method did not work, you can completely clean the bootloader and create its files over again.

    To do this: open the command line in any convenient way. Enter diskpart . Then volume list . Then we find a hidden disk with a bootloader (as a rule, this is a disk of size 100-500 mb , created by the system by default in FAT32 format) and remember the letter of this partition.

    Now you need to enter a series of commands that remove and recreate the bootloader.

    This completes the recovery of the bootloader.

    The assigned volume letter must now be deleted. This can be done on the command line like this:0003

    Now it is enough to restart the system to boot the PC normally.

    Restoring deleted data

    Incorrect operation of the operating system and problems with the bootloader may indicate the presence of viruses that literally destroy all files. If you find that your important data has disappeared, we recommend using the RS Partition Recovery program, which can quickly recover all deleted data damaged by viruses or lost in case of accidental formatting.

    Also, the RS Partition Recovery program allows you to recover photos , video files , text documents , etc. after removal up to a few months ago. On the site recovery-software.ru you can get acquainted with all the advantages and features of RS Partition Recovery , as well as other products from Recovery Software .

    Frequently Asked Questions

    This is highly dependent on the capacity of your hard drive and the performance of your computer. Basically, most hard drive recovery operations can be completed in about 3-12 hours for a 1TB hard drive under normal conditions.

    If the file cannot be opened, it means that the file was corrupted or corrupted before being restored.

    Use the «Preview» function to evaluate the quality of the recovered file.

    When you try to access a drive, you get the message «drive X:\ not available». or «You need to format the partition on drive X:», your drive’s directory structure may be corrupted. In most cases, the data is probably still available. Just run the data recovery program and scan the desired partition to get it back.

    Please use free versions of programs with which you can analyze the media and view files available for recovery.

    You can save them after registering the program — you do not need to rescan for this.

    Source

    How to repair Windows 10 bootloader via command line?

    The new Windows 10 operating system is not without flaws. The first of them is that, without the knowledge of users, Ten downloads and installs massive updates that not only take up free space on the hard drive, but also take a long time to load. Therefore, without waiting for the download of updates to finish, users often turn off the PC. Turning it back on, a blue screen of death appears on the monitor screen with a notification that the bootloader is damaged. What to do in this case, and how to restore the Windows 10 bootloader through the command line and in other ways.

    Causes of damage to the Windows 10 bootloader

    If you cannot boot into Windows 10, and a message appears on the monitor that the bootloader is damaged, there may be several reasons for this:

    In order to restore the Windows 10 bootloader , it is worth using some recommendations.

    Restoring the bootloader using installation media

    The first and easiest way to restore the Windows 10 bootloader is to use an installation disk of the same version and bitness of the system that you have. To do this, do the following:

    Restoring the bootloader from the command line

    If a PC running the Windows 10 operating system stops booting, a special command will help restore the bootloader. Consider the process of using the console when restoring the bootloader.

    The second way to restore the Windows 10 bootloader is to use the diskpart command.

    Thus, using the command line, you can fix the problem with a corrupted bootloader.

    For more information on how to restore the Windows 10 bootloader, see the video:

    Source

    Installing windows 10 via the command line

    A complete guide to installing Windows 10 from a bootable USB flash drive. One of the main advantages of installing the Windows operating system from a USB is the speed of installation, especially when compared to the traditional way of installing Windows from a DVD.

    Although there are many free utilities available to create a bootable USB flash drive for installing Windows 10, it is possible to create a bootable USB without using third-party software. All you have to do is run a few commands on the command line to make a bootable Windows 10 USB stick. See article: How to open a command line in Windows 10

    Windows systems. This procedure should not take more than 10 minutes if done correctly.

    Next, we’ll look at how to make a bootable USB flash drive to install Windows 10 from the command line using the Diskpart command.

    What you will need:

    Important: Before you start creating a Windows 10 boot disk or USB flash drive, check your Windows 7/8 / 8.1 version for 32 or 64 bits. You can use 32-bit Windows to create a bootable USB of 64-bit Windows.

    Installing windows 10

    Step 1: Connect your USB drive to your Windows 7 or Windows 8 PC and transfer all your important data to a safe place as everything will be deleted from the drive during the process. We also suggest that you do not connect another external hard drive, or disconnect if you have one, to avoid selecting the wrong drive when choosing a drive.

    Step 2: Open a command prompt. To do this, you can type CMD in the Start menu search or press Ctrl + Shift + Enter at the same time. Windows 7 users can also go to Start, All Programs, Accessories, right-click Command Prompt, and select Run as administrator. Click the Yes button when you see the UAC prompt to continue.

    Step 3: At the command prompt, type DISKPART , and then press enter.

    Now type in the LIST DISK command and press the Enter key again to see all mapped drives. This is an important step to assign a drive number to your internal hard drive and your connected USB drive.

    If you only have one internal hard drive or SSD, 1 will be the drive number of your USB drive. As you can see in the picture above, the drive number for my USB stick is 1.

    SELECT DISK 1

    (IMP: In the above command, replace «1» with the disk number of your USB disk obtained in the previous step. Entering a wrong disk number will result in data loss. So please check the disk number before entering disk number. )

    (Press enter)

    NET

    (Press enter)

    CREATE primary partition

    7

    70057 (Press the input key)

    Section 1

    (click the input key)

    Active

    (press the keyboard key)

    Format FASTS FASTS FASTS Press Enter)

    ASSIGN

    (Press Enter)

    EXIT

    (Press Enter)

    8 0003

    Since we are not finished yet, please do not close the command prompt window. Just roll up and follow the instructions for the next step.

    And if you’re on Windows 7, you can use Virtual CloneDrive. Highlight the drive after installing the ISO.

    In this guide, we assume that «J» is the drive letter of the virtual drive where you mounted the Windows 10 ISO.

    And if you have a DVD in Windows 10, just insert the DVD into the optical drive and take note of the optical drive letter. You can then use that drive letter as needed.

    Step 6: Open a command prompt window and run the following commands.

    (Press enter)

    Here «J» is the drive letter of your virtual drive containing the Windows 10 ISO or DVD containing the installation files.

    CD BOOT and press ENTER.

    Step 7: Finally, enter the following command:

    Bootsect.exe /NT60 K:

    In the above command, replace «K» with the drive letter of your USB drive that you are making bootable.

    After you see the «Bootcode has been successfully updated on all target volumes» message, just close the command prompt window. We’re almost done!

    Enjoy the latest Windows 10 operating system

    Source file (No bootable device) on a black background. The operating system and the «Desktop» are not loaded at the same time, so it is not possible to perform any manipulations in the computer settings. How to solve this problem?

    What is the «Loader» and what role does it play in the system? It is she who starts the OS when the user presses the Power button to turn on their PC. This happens after the BIOS (a special set of firmware that functions separately from the OS) has successfully checked all the hardware parts of the device for operability. According to this scheme, not only stationary PCs and laptops are included, but also mobile devices (tablets and smartphones).

    The “Loader” is responsible, in particular, for performing the following actions:

    Why problems may occur with it

    Sometimes when turning on a computer (stationary or portable — laptop), users may encounter one of their messages that appears on a black monitor screen: An operating system wasn’t found or No bootable devices found. They also indicate that you need to press a certain key combination to restart the system. One of the causes of these errors is problems with the «Loader».

    When the BIOS has successfully finished checking all the hardware parts of the PC and decided that the device is ready to work, it needs to transfer control of the launch of the «OS» to the «Loader». The notification errors described above occur on a black screen if it cannot be found in the place where it should originally be (usually the first sector of the boot drive). Accordingly, it turns out that there is simply no one to run the system in which the PC should work.

    Why there might be a problem with a missing boot entry:

    How to restore the “Loader” on Windows 10

    To get access to your “OS” again as soon as possible and continue working in it, use one or more of the methods described below.

    Automatic Startup Repair Using the Windows Installation Disc

    The simplest solution is to run Automatic System Restore from the version of Windows installation disc that you have installed on your PC. If you do not have the original disk, take any other OS boot drive (USB flash drive, external hard drive, etc.). It can be easily created using a utility from Microsoft, which must be downloaded from the official website of the company. To do this, however, you will need another computer, since you do not yet have access to your own.

    Let us describe in detail the steps for launching the recovery tool:

    Restoring boot files via the «Command line» black editor «Command line». For this method, you also need to find or independently create a boot disk or other drive with the OS distribution kit that was installed on your computer. In this article, we look at recovery using the example of Windows 10:

    Another way to solve the problem in the «Command line»

    If the previous method did not work, use another one right away: all manipulations will also be performed in the «Command line», but this time you will need to print more codes:

    Video: how to make the «Loader» workable

    Contents:

    • How to enter command mode
    • Resuscitation of the Windows OS using the rstrui. exe command
    • Using the Chkdsk 9 command0016
    • Bootloader recovery via Bootrec.exe
    • Using the BCDboot.exe command

    OS rollback allows you to restore the normal operation of Windows when it is damaged as a result of malicious software, installation of low-quality drivers, software updates, unintentional user actions, and in other cases. To start System Restore, just enter the Start menu and activate the corresponding application in the System Tools section.

    If Windows does not start, then the command line comes to the rescue. With its help, you can reanimate the boot loader of the operating system, thereby returning it to working capacity and enabling the user to perform a thorough search for the cause of the malfunction.

    How to enter the command input mode

    You can start the command line in Windows 7 in several ways:

    • through the standard menu;
    • using safe mode;
    • via boot disk.

    The first method is relevant when the operating system is loaded in stationary mode. In this case, you need to open the «Run» tab through the «Start» menu and enter the cmd command.

    To enable safe mode, press the F8 function key while restarting the computer and activate the corresponding line in the boot options window. Further actions will be the same as in the first case.

    If the damage to the system is so severe that safe mode does not turn on, a boot disk or USB flash drive with Windows 7 comes to the rescue. In this case, its assembly must match the one installed on the computer.

    To run the command line through the boot disk, you need:

    1. Set the BIOS to read information from the CD drive. To do this, during the restart of the PC, you need to press the F12 key (the button may be different, since everything here depends on the manufacturer of the motherboard).
    2. Select CD-ROM Drive in the Boot Menu.
    3. Place boot disk in DVD drive.
    4. Select «System Restore» in the installation window.
    5. After the scanning of the media is completed, the previously installed OS will be displayed. You need to run it, and then select «Command Prompt» in the window that appears.

    Resuscitation of the Windows OS using the rstrui.exe command

    The rstrui.exe command starts the usual graphical shell of the recovery procedure. However, to use it, you must have checkpoints enabled on your computer. For the Windows system partition, such points are created automatically. For other volumes, they must be activated manually.

    System restore via rstrui.exe is performed as follows:

    1. After entering the command line, enter rstrui.exe.
    2. The resuscitation procedure is then started. In the first window, click «Next».
    3. You will see the last created backups of the system. You only need to choose the appropriate option. To see earlier points, check the box next to the corresponding item.
    4. After confirming your intentions, the rollback of Windows 7 to the specified date will start.

    Using the Chkdsk command

    The Chkdsk program starts scanning the storage media installed on the computer for corrupted system files. If such elements are found, they are automatically restored.

    This utility can be launched both using the Windows graphical shell and via the command line. In the first case, you need:

    1. Open the properties of the system drive.
    2. In the «Service» window, initiate a check by clicking on the appropriate button.
    3. Click on «Start», thereby activating the hard disk check. If you want the program to automatically fix corrupted files, check the box indicated.

    The correct syntax for the Chkdsk utility via the command line is shown in the image.

    Restoring the bootloader using Bootrec.exe

    This utility allows you to repair a damaged Windows 7 bootloader and, accordingly, start the OS in normal mode to find the cause of the malfunction. If Bootrec is entered on the command line, you will see a list with all the keys that work with this command, as well as their brief description.

    Let’s look at each key in more detail:

    1. Bootrec. exe /FixMbr. Used to reanimate the Master Boot Record (MBR). The MBR is the Master Boot Record, which contains data about the system startup sequence and other important information without which Windows 7 will not start.
    2. It is located in the zero sector of the hard drive and indicates the basic input-output environment from where to start the OS. A clear sign of MBR corruption is a PC lockup message, which is displayed before the system starts. Bootrec.exe /FixBoot. This key is used to write a new boot area. This helps to restore Windows 7 performance in case of: zero sector damage, installation of an older system over a newer one, incompatibility of the boot sector with existing Windows.
    3. Bootrec.exe /scanos. Scans the computer for installed systems. If your PC has several operating systems, but not all of them are displayed during boot, then the missing OS can be added to the list using the Bootrec.exe / RebuildBcd command.

    Using the BCDboot.exe command

    If the above commands did not work to restore the Windows 7 system, you can try using the BCDboot. exe utility. This program also allows you to reanimate a damaged boot sector or create a new one.

    The BCDboot.exe F:windows command restores a failed zero sector. Instead of F:windows, you need to specify the path to the Windows directory on your computer.

    The BCDboot.exe utility is written as shown in the image.

    Source is the path to the storage location of the Windows folder from which the files required for reanimation will be copied.

    • /l language — allows you to set the download language. It is an optional key.
    • /s drive letter — Specifies the name of the volume where the boot files will be copied. By default, the system volume is used for this purpose. This parameter is also optional.
    • /v – activates the function of detailed logging of the program operation (optional key).
    • /m — combines the properties of the old and new loader (optional parameter).

    To date, many tools have been developed that allow you to restore Windows 7. So with the right approach, you will definitely succeed in completing the task.

    How to start Safe Mode in Windows 10: Booting in different ways

    How to start Safe Mode in Windows 10: Booting in different ways

    Reading will take: 7 min.

    Views:
    13 308

    In cases where the computer does not boot in the usual way or fails to perform actions using the target files and system drivers, you need to know how to start Windows 10 Safe Mode. Computer operating system diagnostics are performed in Safe Mode. It is needed to solve problems, eliminate freezes, start restoring the operating system and clean up viruses.

    When you start Safe Mode, only those programs remain in virtual memory that ensure the standard functioning of the system and drivers that control the hardware that is included in the computer configuration — the kernel, explorer and system services. The desktop will load without wallpaper, and the «Safe Mode» icon will appear in the lower right corner of the screen.

    Starting from the system configuration menu

    You can enter Windows 10 Safe Mode using the system configuration utility, as described in the steps below:

    • Launch the command interpreter — hold down the «Win + R» keys and select the «Run» option;
    • Call the «msconfig» command to enable the utility that manages startup programs and system boot:
    • In the new window, activate the second tab «Download» and select the operating system that should be launched during the diagnostic process;
    • Check the «Safe Mode» option, which is located under the form with a list of systems:
    • Now you need to decide which option to start the computer you will perform:

    — «Minimal» — the classic start of Windows 10 in safe mode, where the minimum number of system components and explorers is attached;

    — «Another shell» — work using the command line;

    — «Network» — with the launch of all network components to apply a network connection.

    • We confirm our actions by selecting the «Apply» option and click «OK» to close the window;
    • Reboot the computer through the Start menu or in another way convenient for you;
    • Launch the system configuration window to clear the previously checked box in the «Boot» tab and return to normal system startup.

    Using special options

    There is another way to enter Windows 10 Safe Mode in case the system stops working properly. You only need to perform a few simple operations:

    • Open the «Settings» window using the search bar, pressing the «Win + R» keys or a special option in the «Start» menu;
    • Select the «Update, security» section and go to the «Recovery» subsection:
    • In the item «Special options …» select the option «Reboot now»:
    • After the hardware self-test is completed, a screen with alternative ways to start the computer will open, where you need to apply the «Diagnostics» option;
    • In the «Additional Options» section, «Boot Options» will be offered, where you need to select the option «Restart»:
    • In the system boot options menu, you have to choose any desired method to start the computer by pressing the F4, F5 or F6 keys.

    If the operating system does not boot, but the lock screen appears in front of you, then you should hold down the «Shift» button, and then restart the computer.

    With loaders

    The operating system may not start at all, but you still need to boot your computer in Windows 10 Safe Mode. In this case, you will need media on which the installation files of the operating system will be loaded or a special disk to restore it.

    Then follow the following procedure:

    • Start the computer from a bootable USB flash drive through the Boot Menu in BIOS:
    • Press the «Shift+F10» key set to launch the command prompt, and then select the «System Restore» option in the «Install» window. By selecting the «Diagnostics» option, we find additional options where you can run the command line:
    • Entering the following command will help Windows 10 boot into safe mode: «bcdedit / set {default} safeboot minimal», after which the usual debugging procedure will start, and then, by changing «minimal» to «network», diagnostics will begin with the launch of network components . After we enter the code: «bcdedit / set {default} safebootalternateshell yes»:
    • Restarting the computer;
    • Problems solved, which means we can call the command line as we did before and enter the command: «bcdedit /deletevalue {default} safeboot» to enable Safe Mode.

    Connect boot options

    If there are no boot options, then you need to know how to enter Windows 10 Safe Mode using the F8 key:

    • Launch the command line interface with administrator rights;
    • Enter the command: «bcdedit / deletevalue {current} bootmenupolicy»:
    • We reboot the computer after the notification of the completion of the operation appears;
    • When the process of self-testing of the hardware shell is completed, you should hold down «F8» until a window with an extended list of ways to boot the operating system appears in front of us.

    You can remove the window that appears using the code: «bcdedit / set {current} bootmenupolicy standard». Now you can safely boot Windows 10 in safe mode and fix errors in the operating system without reinstalling it.


    Good Deeds Computer Help will call up the operating system diagnostic mode for you so you don’t have to do it yourself. They will also fix the problem of a malfunctioning computer. Our service offers customers fixed prices, which you can find in the section on our website.

    If any of the above options did not suit you, and you are still looking for a way to enable safe mode on Windows 10, then our team will quickly respond to your call — call or write to us in the chat.

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    How to restore Windows 10, 8, 7 bootloader from command line

    Windows crashes during boot and won’t start? Troubleshooting the startup of the operating system and restoring the functionality of the bootloader can be done using the command line.

    Contents

    1. Causes of bootloader problems
    2. Startup recovery
    3. Restoring the Windows bootloader from the command line
    4. What should I do if important data has been lost?

    Causes of loader failures

    Problems loading Windows are a clear sign of corrupted files that are responsible for loading the OS. Incorrect system startup can be caused by many reasons.

    The most common ones are:

    • Installing additional operating systems that corrupts the boot files of the main OS.
    • Damage or removal of boot files by malware and viruses.
    • Loss of files due to physical and software faults drive.

    Recovery at boot

    «Broken» or missing OS loader files lead to the inability to start and correct operation of the computer. In this case, you need to resort to repairing the Windows bootloader in the following way:

    Step 1. To start repairing the boot, you will need Windows recovery disk or bootable USB flash drive . Important: for the correct operation of the recovery system, it is necessary to boot in the same bit depth (32 or 64-bit) as the current OS. If booting from an installation disc, you must select 9 on the installation screen0366 System Restore .

    Step 2. On the recovery screen, select item «Diagnostics» .

    Step 3. In the window that opens, select Startup Repair .

    This will activate automatic recovery and fix problems that prevent the OS from booting normally.

    Unfortunately, automatic recovery methods do not always help restore the operating system, so sometimes you should resort to manual recovery using the command line.

    Restoring the Windows bootloader using the command line

    To start restoring the bootloader using the command line , you must first open it. This can be done using a bootable USB flash drive or the recovery and diagnostic menu.

    If you are using a boot drive, you must press Sfit+F10 on the language selection screen.

    You can enter the command line through the diagnostics menu by clicking on the corresponding icon.

    After opening the command prompt, enter the following commands:

    • Diskpart (built-in hard disk utility)
    • List volume (list of connected media)
    • Exit (completion of the utility)

    The introduction of each command must be confirmed with the key Enter .

    This order will allow you to find out which drive is the system drive (by default it is drive C), and based on this knowledge, try to perform a software recovery of bootloader files .

    After that, you need to enter the command bcdboot c:\windows , which fixes most problems with the bootloader.

    It is worth noting that if there are several operating systems installed on the computer, these steps should be done in turn for each system .

    If this method did not work, you can completely clean the bootloader and create its files over again.

    To do this: open the command line in any convenient way. Enter diskpart . Then volume list . Then we find a hidden disk with a bootloader (as a rule, this is a disk of size 100-500 mb , created by the system by default in FAT32 format) and remember the letter of this partition.

    Now you need to enter a series of commands that remove and recreate the bootloader.

    • Select the volume with the command select volume 3 (instead of 3 there may be another number).
    • We format the volume with the command format fs=ntfs , or format fs=fat32 , depending on the file system of the disk.
    • Assign the name «Y» to the volume with the command assign letter=Y
    • Exit the utility with the command exit .
    • Enter the command bcdboot C:\Windows /s Y: /f ALL (the letters C and Y may differ, depending on the system and the number of disks). If multiple operating systems are installed, this step must be done for all volumes with bootloaders.

    This completes the recovery of the bootloader.

    The assigned volume letter must now be deleted. This can be done on the command line as follows:

    • Enter the command diskpart .
    • Next, you need to display the list of media with the command list volume .
    • Select a volume named Y with the command select volume Y .
    • Remove the name with the command remove letter =Y .
    • Exit .

    Now it is enough to restart the system to boot the PC normally.

    What should I do if important data is lost?

    Problems with the Windows operating system directly affect the safety of data not only on the system drive, but also on other local drives and flash drives connected to the computer. For example, if there are problems with the bootloader, the system cannot boot and constant reboots can lead to failures in the logical structure of other disks.

    In addition, it is not uncommon for users to resolve bootloader problems by simply reinstalling Windows to get a clean and fast operating system. But reinstalling the system leads to the destruction of all data on the system disk, and often when formatting the system disk, data is lost, on which the user has been working for several weeks.

    If something similar happened to you, do not despair prematurely. Use Program RS Partition Recovery .

    RS Partition Recovery

    Universal solution for data recovery

    Download

    It can easily recover data lost due to accidental formatting of the disk, reinstallation of the operating system and many damage 6 to the logical structure 6 of the disk, other cases.

    RS Partition Recovery is not demanding on computer resources, which allows you to use it on weak computers and office laptops.

    The recovery process is carried out in just a few mouse clicks thanks to the built-in file recovery wizard .

    Important : it is recommended to use a disk that is different from the one where the file was stored earlier as the location where the restored file will be saved. This will avoid overwriting the file.

    You can save the recovered file to another local disk or flash drive , pack it into ZIP archive or upload it to FTP server .