Fix: Bootmgr is Missing in Windows 10/8/7

This is one of the most common boot issue you might come around, in the Windows operating system. Are you receiving the Missing Boot Manager error? In this article I will tell you how you can fix the Bootmgr is Missing error message in Windows 10/8/7.

Bootmgr is Missing

Step 1:

Insert the Windows Installation or Repair disk into your drive and reboot the System. You will be prompted to “Press any key to boot from disk” so go ahead and press Enter.

Step 2:

Then it will give you language selection option click Next.

Step 3:

You will now get the option to “Repair your Computer“.

Step 4:

Select Repair your computer option and the Operating System i.e. Windows 7 next. Click Next.


On some occasions you may not find any operating system listed. Don’t panic just click Next!

Step 5:

Now click on “Command Prompt“.

Step 6:

Type in the following commands:

  • bootrec /fixboot
  • bootrec /fixmbr
  • bootrec /RebuildBCD

Sometime you may need to change the directory from X:\Windows\System to C:\ type in the command cd\ then c: then run the commands.

Once you finish running those commands, reboot the system and see if it boots. It should! If not then run Startup Repair 3 different times.

Watch this video tutorial, created by me.

If you need additional help, please do visit our TWC Forums.

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Shyam aka “Captain Jack” is a Microsoft MVP alumnus and a Windows Enthusiast with an interest in Advanced Windows troubleshooting. Suggestions made and opinions expressed by him here are his personal one's and not of his current employers. He blogs at captaindbg.com.