How To Fix Bootmgr Error Windows 7


If you have Windows 7 Bootmgr error on your system, this user guide can help you.

The BOOTMGR error can be caused by many factors, including boot sector viruses, a failed Windows installation or update, or hard drive failure. A very common reason your computer won’t boot and display this error is when you try to boot from a non-bootable hard drive or flash drive.

  1. Insert the Windows installation CD into the drive and start the computer.
  2. Press any key when prompted. Press any key to boot from CD or DVD.
  3. Select your language, time and currency, keyboard or input method, and then tap Next.
  4. Select “Repair your computer”.



The most common causes of BOOTMGR errors are corrupted and misconfigured files, problems updating the hard drive and operating system, bad hard drive sectors, outdated BIOS and drive interface cables. severely damaged or weakened.

Another reason you might see BOOTMGR errors is because your computer is trying to boot from a hard drive or flash drive that is not configured to boot correctly. In other words, it tries to boot from a non-bootable source (that is, from a source that does not contain the correct boot files). This also applies to the media on the optical drive or floppy drive from which you want to boot.

Reasons For Missing Windows Bootmgr Error

The error in Windows can have the following reasons:

  • Damaged or misconfigured files.
  • Problems with BIOS or UEFI.
  • Sections are disabled if you used a program to create sections.
  • Loose hardware interface cables.
  • Bad hard drive.
  • P problems when upgrading, downgrading or restoring the operating system.
  • Attempting to boot from media (hard drive, flash drive, optical drive, floppy drive) that is not configured correctly as bootable.

Restart Startup

If this does not solve the problem, you will have to take more drastic measures and try to manually fix the boot process yourself. The first step is to set up your computer to boot from an external source – either from the original Windows 10 bootable CD or from a USB drive.

bootmgr error windows 7

To do this, you need to call up the BIOS settings of your PC. This can usually be done by pressing the F2 or Delete key the first time the device is turned on. In the boot options, select the drive or USB drive to boot, exit BIOS settings and save the changes.

Startup Repair In Windows 10 And Windows 8

Startup Repair’s job is to fix missing or corrupted files in Windows, which makes it a pretty powerful tool. Even something as important to the main operating system as Bootmgr can be fixed if you have the installers Windows media (USB, CD or DVD with bootable disk image).

If you do not have a hard copy of Windows 10 or Windows 8, you will need to create one before starting the process. You can do this by visiting the Microsoft download page and clicking on the MediaCreationTool download link.

If you created a USB drive, CD, or DVD, please restart your device. When you see the message “Press any key to boot from CD or DVD” press Enter, then select “Language”, “Time” and “Keyboard Layout”. After clicking Next, select Repair your computer in the lower left corner of the screen, select Troubleshoot, Advanced options, and Startup Repair.

After shutting down your computer, you can try restarting your Windows 10 or Windows 8 computer. If your computer boots without the “bootmgr missing” message, then the problem is solved! Otherwise, you may need professional help.

Startup Repair In Windows 7

Windows 7 Recovery is a lot like Windows 10 and Windows 8 Recovery, except it is no longer onSupported by Microsoft. So if the quick fix doesn’t work, you’re on your own. In Windows 7, you must boot from the Windows 7 CD. You must wait for the installation process to download the files. Select the language to install, time and currency format, keyboard or input method, and then click Next. Click the Repair your computer link in the lower left corner of the Windows Setup window.

This will launch Windows 7 System Recovery Options, which includes several suitable diagnostic and recovery tools, including Startup Repair.

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