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Fix 'BOOTMGR is Missing. Press Ctrl+Alt+Del to restart' in Windows 10/8/7

Updated on Jul 19, 2018 by Abby Haines to Partition Manager

Getting a black screen showing error message BOOTMGR is Missing. Press Ctrl+Alt+Del to restart while trying to boot your PC? Here are quick fixes and advanced solutions to help you get rid of this problem in Windows 10/8/7.

One or more users have the experience of getting a black screen showing error message "BOOTMGR is Missing. Press Ctrl+Alt+Del to restart" while trying to boot their PC. Just like this:

BOOTMGR is Missing. Press Ctrl+Alt+Del to restart

Now you are here, maybe you have been caught by the same issue. We know it is frustrating, but please take it easy! Here we collected all the possible solutions, either quick fixes from average users or workarounds offered by professionals to help you get rid of this problem in Windows 10/8/7 and boot your PC properly! 

Part 1. All You Want to Know about 'BOOTMGR is Missing' Issue

Before introducing how to fix 'BOOTMGR is Missing' issue, we would like to talk about something you may want to know about the issue. If you are urgent to find a way to fix the error, just skip to the next part to get a solution. 

What is BOOTMGR?

The BOOTMGR (Windows Boot Manager) is a small piece of software that runs when you start your PC, and loads your operating system from the hard drive. When it is missing or corrupted, Windows is unable to boot and shows you 'BOOTMGR is Missing' error.

What are the causes of BOOTMGR is Missing issue?

  • The BOOTMGR files are corrupted and misconfigured.
  • The PC is set to boot from a non-bootable device.
  • Errors, corruptions or bad sectors appear on the hard drive.
  • Other reasons like outdated BIOS, loose or damaged hard disk interface cables, hard drive and operating system upgrade issues.

Part 2. Quick Fixes to solve  'BOOTMGR is Missing' Error

Fix#1. Restart Your Desktop or Laptop

It's not a deceptive trick, sometimes, a rebooting can really help you repair BOOTMGR. And if it doesn't work, just try the next way.

Fix#2. Reseat All Internal Data and Power Cables

Fix#3. Remove All Removable Media

To rule out the possibility that 'BOOTMGR is Missing' error appears because your PC is trying to boot from a device which is non-bootable, please make sure you have removed all the removable media such as a USB flash drive, a floppy disk, or other unbootable disks.

Fix#4. Change Boot Order in BIOS

Missing BOOTMGR issue still happens? Just go to the main interface of BIOS. (You can do it by pressing a specific key while booting Windows, if you are not sure what is the right key for your model, please search it online.)

Then, under "Boot" tab, check if the hard drive is set as the first boot device in BIOS. If not, correct it. Finally, restart the PC.

Change Boot Order in BIOS to fix 'BOOTMGR is Missing' error

Part 3. Advanced Solutions to fix 'BOOTMGR is Missing' Error

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 Windows 10 is supported

→ Repair Master Boot Record

1. Download and launch EaseUS free partition software.

2. Right-click the disk you want to repair, choose Rebuild MBR, and then choose the proper Operating System version.

3. Click Apply to save all the changes to rebuild MBR.

Fix MBR to fix 'BOOTMGR is Missing' error

It doesn't work? Try to scan and test hard disk for errors.

→ Scan and Test Hard Disk for Errors 

1. Go to step 2 in the above tutorial, click "Check partition".

2. Choose the way that you want to use to check the hard drive: Check Partition Properties, Call Windows Chkdsk to fix errors, Surface Test. Click OK.

3. Let the program automatically scan hard disk partition and repair any errors it has found. Finally, click OK to finish the process.

Check and repair disk errors to fix 'BOOTMGR is Missing' error

→ Run Startup Repair from the Windows Recovery Environment (WinRE)

1) Insert the Windows installation disc, and then start the computer.
2) Press a key when the message Press any key to boot from CD or DVD appears.
3) Select a language, a time and a currency, a keyboard or input method, and then select Next.
4) Select Repair your computer.
5) In the System Recovery Options dialog box, select the drive of your Windows installation (usually c drive), and then select Next.
6) At the System Recovery Options dialog box, select Repair your computer.
7) Select the operating system that you want to repair, and then select Next.
8) In the System Recovery Options dialog box, select Startup Repair.

→ Perform a system restore if you have a backup image

1) Go to step 6 in the above tutorial, select System Restore. 
2) Follow the System Restore Wizard instructions and select the appropriate restore point.
3) Select Finish to restore the system.

These are all the possible methods that might help you fix 'BOOTMGR is Missing' error caused by various reasons. We really hope that at least one of them is helpful. Otherwise, I am afraid you may need to consider to do a clean Windows Installation or replace the PC hard drive.