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How to Fix “BOOTMGR Not Found” In Windows 8.1

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What is BOOTMGR

BOOTMGR is internal software found in the Windows operating system that enables the system to load and boot up. It does so by running and executing a winload.exe file, which contains the required instructions and code to enable Windows start-up and cause for the PC to have a smooth kickoff.

“BOOTMGR not found” is an error message which is displayed during system booting process if the BOOTMGR fails to load, thus preventing the system to start-up. There are a number of reasons that contribute to such an error, with the most common ones being listed below:

  • Corrupt and misconfigured files
  • Corrupt hard drive sectors
  • Old and outdated BIOS
  • Impaired wiring of hard drive interface cables

If you are trying to boot your system though a hard drive or flash drive, BOOTMGR error may also appear in case of misconfigured external hard drive that is not set to be booted from. Simply put, the Windows is trying to boot from a non-bootable source.

This article mentions some effective methods on how to resolve the BOOTMGR error, and cause for a smooth system start-up.

How to resolve BOOTMGR error

Following is a list of the most effective and proven ways on how to fix BOOTMGR error in Windows 8.1:

Method 1: Restart your system, the error might be a one-time issue

Before you indulge any further into the tricks and tips of resolving BOOTMGR error, it might be helpful to restart your PC and see if the issue gets resolved by itself. Quite often than not, such an error is just a one-time fluke.

Method 2: Repair your windows using Startup Repair

Running a Startup repair is the most effective solution to fix your BOOTMGR error. This solution should replace any missing files or damaged files, including the BOOTMGR file.

Follow the steps below to run a proper Startup Repair from the Windows Recovery Environment (WinRe):

  1. Open the disk tray and insert the Windows 8.1 installation disk
  2. When prompted to Press any key to boot from CD or DVD, press any key.
  3. Select Repair your computer from the options menu.
  4. Navigate to the drive where your Windows is installed from the System Recovery Options dialog box and click on Next.
  5. Next, click on Repair your computer
  6. Locate the operating system you wish to repair and then proceed by clicking on Next
  7. Initiate the repairing process by clicking on Startup Repair from the System Recovery Options

Check:  System Recovery Options in Windows 8

Method 3: Rebuild the boot configuration data (BCD) using bootrec command

Rebuilding BCD, or the boot configuration data will also replace any missing or corrupted files, and thus help in resolving the BOOTMGR error.

Follow the steps below to successfully complete the process:

  1. Insert Windows installation disc into the disk drive
  2. When prompted by Press any key to boot from CD or DVD, press any key and enter the windows configuration menu.
  3. Click Repair your computer
  4. Locate and click on the operating system that you wish to repair. Proceed by clicking on Next
  5. When prompted by a System Recovery Options dialog box, click on Command Prompt to enter the Command Prompt window
  6. Type Bootrec/RebuildBcd
  7. Press the Enter key to launch the rebuilding process of boot configuration data.

Method 4: Return to your safe point by performing a System Restore

System Restore is a process provided by the Windows operating system to undo recent changes made by the system and go back to a previous known working point. This might help your system find the missing the BOOTMGR file and fix the BOOTMGR error.

Follow the steps below to run System Restore from Windows Recovery Enivironment (WinRE):

Note: Make sure your System Restore option is enabled on your computer to carry on with this method.

  1. Insert Windows installation disc into the disk drive
  2. When prompted by a Press any key to boot from CD or DVD message, press any key
  3. Click Repair your computer
  4. Locate and select the drive of your Windows installation from the System Recovery Options, and proceed by clicking on Next
  5. Locate and click System Restore from the System Recovery Options
  6. The System Restore Wizard will guide you through the system restoring steps
  7. Choose and select the appropriate restore point
  8. Restore your system by clicking on Finish 

The above mentioned methods are the recommended solutions to resolve your BOOTMGR error in Windows 8.1. If you have skipped any of these solutions, make sure you go through them again and fix this common issue.

Recommended Readings:

Tips on How to Make Windows 8.1 Faster

One thought on “How to Fix “BOOTMGR Not Found” In Windows 8.1

  1. bootrec/fixboot
    bootrec/fixmbr
    in command prompt also work

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