windows boot manager boot failed Windows 11

Question

My Windows Boot Manager boot failed on my Windows 11 Dell desktop. Can I repair it and how?

Answer 1

Start your PC, just as Windows attempts to load (spinning dots), press and hold Power Button for 5 - 10 seconds to perform a Hard Shut Down

Do this twice

On the third start Windows will boot into the Recovery Environment and from there you can access System Repair, Safe Mode, Command Prompt... etc.

Try each option one at a time, then see if Windows will boot up correctly.

1

Go to Troubleshoot - Advanced Option - Startup Repair

See if Windows startup can repair itself

2

Go to Troubleshoot - Advanced Option - System Restore

Check to see if you have a restore point you can go back to

2

Go to Troubleshoot - Advanced Option - Command Prompt.

Run this command and press Enter.

bootrec /FixMbr

Run this command and press Enter.

bootrec /FixBoot

Run this command and press Enter.

bootrec /ScanOs

Run this command and press Enter.

bootrec /RebuildBcd

Then reboot your System to see if Windows will boot up normally.

Answer 2

If your Windows Boot Manager has failed on your Windows 11 Dell desktop, you can attempt to repair it by following these steps:

1. Use Windows Installation Media: Start your computer using Windows installation media (USB or DVD). If you don’t have it, you can create it using another computer.
2. Access Repair Options: On the installation screen, select Next, then choose Repair your computer.
3. Troubleshoot: Select Troubleshoot, then go to Advanced options.
4. Startup Repair: Choose Startup Repair. This tool will automatically diagnose and fix many common startup issues.
5. Command Prompt: If Startup Repair does not resolve the issue, you can use the Command Prompt for further troubleshooting. Here are some commands you can run:
   • To repair the Master Boot Record (MBR):

          bootrec /fixmbr
     

   • To repair the boot sector:

          bootrec /fixboot
     

   • To rebuild the Boot Configuration Data (BCD):

          bootrec /rebuildbcd
     

6. Check Disk: You can also run a check disk command to fix any disk errors:

      chkdsk C: /f
   

   (Replace C: with the appropriate drive letter if necessary.)
7. Restart: After running these commands, restart your computer to see if the issue is resolved.

If these steps do not work, you may need to consider restoring your system from a backup or reinstalling Windows as a last resort.