Fixing "Bootmgr is Missing" Error on Windows 11 Step by Step

Understanding the "Bootmgr is Missing" Error

The "bootmgr is missing" error typically occurs when the Boot Manager, a crucial component responsible for loading the operating system, is either corrupted or missing. This can happen due to various reasons, including a recent system update, a failed installation, or issues with the boot configuration.

How to Fix "Bootmgr is Missing" Error in Windows 11

The "Bootmgr is Missing" error in Windows 11 can be unsettling, but fear not – there are solutions to get your system back on track. Follow these steps to troubleshoot and fix the issue:

Step 1: Check Your Boot Devices

Ensure no external devices like USB drives or external hard disks are connected to your computer. Sometimes, the system might be attempting to boot from an external device, leading to the error.

Step 2: Repair the Boot Configuration Data (BCD)

The Boot Configuration Data (BCD) holds essential information about the operating system's boot process. To repair it, follow these steps:

1. Boot from a Windows 11 installation media.

2. Select your language and click "Next."

3. Choose "Repair your computer," then "Troubleshoot" > "Advanced options" > "Command Prompt."

4. In the Command Prompt, type the following commands:

bootrec /scanos bootrec /rebuildbcd

Step 3: Perform a System Restore

If the error persists, consider performing a system restore to revert your system to a previous state:

1. Boot from a Windows 11 installation media.

2. Select language and click "Next."

3. Choose "Repair your computer," then "Troubleshoot" > "Advanced options" > "System Restore."

Step 4: Reinstall Windows Boot Loader

In some cases, reinstalling the Windows Boot Loader can resolve the issue. Follow these steps:

1. Boot from a Windows 11 installation media.

2. Select your language and click "Next."

3. Click on "Repair your computer."

4. Choose "Troubleshoot" > "Advanced options" > "Command Prompt."

5. In the Command Prompt, type the following commands:

diskpart

list disk select disk X  (Replace X with the disk containing your Windows installation.)

list partition

select partition Y  (Replace Y with the partition containing your Windows installation.)

active

exit

Conclusion

By following these troubleshooting steps, you should be able to resolve the "bootmgr is missing" error on your Windows 11 system. Remember to restart your computer after implementing each solution to see if the issue is resolved. If you continue to face problems, it's advisable to seek professional assistance to ensure a thorough and accurate resolution. Your Windows 11 system should now boot up without encountering the "bootmgr is missing" error.