How to Fix BootMGR Missing/Compressed Problem in Windows

What's BootMGR?

BootMGR, the short name of Boot Manager, is a small program that allows multiple operating systems to be booted from the same computer. It's also called a boot loader. So if this BootMGR file is missing or compressed, you can't start your computer normally. What error messages that users usually get about BootMGR:
• BootMGR is missing, please press Ctrl + Alt + Del to restart
• BootMGR is compressed, please press Ctrl + Alt + Del to restart

Part 1 How to fix BootMGR Missing problems?

fix bootmgr missing

Solution 1: To repair BootMGR Missing problems

What you need: Windows Vista or Windows 7 disk

1. Insert your Windows Vista or Windows 7 disk into the DVD player and restart the computer.
2. You'll see the boxes of Language, Time and Currency and Keyboard in the next screen.
3. There are two options in the lower left side. One is "Repair your computer", and the other one is "What to know before installing Windows".
4. Click on the first one: "Repair your computer".
5. Windows will then try to find the installation directory for Vista or Windows 7, depending on what you have.
6. Next up is a screen with a box called Recovery Options. Click the first option, Startup Repair.
You'll see a Startup Repair box with the message "Startup Repair is checking your system for problems…".
7. When it's done, it will prompt you to reboot. If there is more than one problem it may reboot again to continue repairing.
8. At this time, you can plug out the DVD disk, restart your computer and everything should be working normally.

Solution 2: To fix BootMGR Missing problems

What you need: a system booting program

1. Get a related booting program, which should be a CD, DVD or usb drive (you can't start the computer, so the program installed on your computer does less help). Here recommend Wondershare LiveBoot, which can help to automatically repair the booting failure Windows caused by the missing or corrupted BootMGR. It supports booting from CD, DVD and usb drive.
2. Insert the CD into the CD-ROM of your computer, and start your computer.
3. Choose "Boot from LiveBoot" from the Boot Menu to start your computer. Then Windows begins to load files, which takes a few minutes.
4. When the file loading is finished, Windows starts, and then LiveBoot menu comes up.
5. Then click "Windows Recovery" tab and hit "Boot Files Recovery".
6. According to the instruction on the interface of "Boot Files Recovery", choose the target Windows and begin to scan. If there is only one Windows, you can skip this step.

repair bootmgr missing

7. The scan result will reports that the file is missing or corrupted, then start "Recover" to get your Windows back.
8. Then you only need to get the disk off your computer and restart the computer, and the system returns to good now.

Part 2How to Restore lost Data caused by BootMGR Missing

Note: If you are worried about data loss due to the improper system, you also can use Wondershare Data Recovery to get the formal data back, but you are suggested to store the data retrieved on other hard disks except the X drive. Of course, this LiveBoot CD/USB can help you recover the lost data, no matter videos, photos, music or documents such as office files, Email files, achive files, etc.

The Best File Recovery Software

mp4 in mp3 umwandeln
  • Recover files in 550+ formats from any storage device quickly, safely and completely.
  • 3 Recovery Modes to help you recover lost files under different situations
  • Supports data recovery from recycle bin, hard drive, memory card, flash drive, digital camera and camcorders
  • Preview before recovery allows you to make a selective recovery
  • Supported OS: Windows 10/8/7/XP/Vista, Mac OS X (Mac OS X 10.6, 10.7 and 10.8, 10.9, 10.10 Yosemite,El Capitan,Sierra) on iMac, MacBook, Mac Pro etc.
3981454 people have downloaded it
Know more about Wondershare LiveBoot Boot CD

Fix Computer

Fix Dll File Error+
  1. Fix RunDLL Error
  2. Edit DLL Files
  3. Fix Missing dll files
  4. Loading dll error
  5. Nvcpl.dll Loading error
  6. Newdev.dll loading error
  7. Fix Mpr.dll
  8. Dll Initialization Failed
  9. D3dx9.24.dll error
  10. Fix Kernel32.dll
  11. Msvbvm60.dll Error
  12. Fix missing Hal.dll
  13. Hal.dll repair
  14. Mfc80u.dll Error
  15. Mscorwks.dll Error
  16. Awt.dll error
  17. Shlwapi.dll error
  18. Fix asl.dll error
  19. Crypt32.dll error
  20. Faultrep.dll error
  21. Register.dll error
Fix Boot issue+
  1. Disk boot failure
  2. Boot ini missing
  3. Computer wont boot
  4. Fix black screen on boot
  5. Create bootable liveboot USB
  6. Vista boot disk
  7. Create bootable liveboot CD
  8. Fix blue screen on boot
  9. Protect Boot Sector from Viruses
  10. Vista reboot issue
  11. XP wont boot
  12. Vista wont boot
Fix Bootmgr issue+
  1. Fix bootmgr error
  2. Fix bootmgr issue
  3. Bootmgr missing error
  4. Bootmgr image corrupt
  5. Bootmgr compressed error
  6. Bootmgr missing
Computer System Error+
  1. Misiing operating system
  2. Fix system not found
  3. Grub loading error
  4. Fix runtime error
  5. Operating system loading error
  6. Fix XP crahses
  7. Retrieve lost files after system restore
  8. Restoring corrupt files
  9. Change file system
  10. Vista freezes
  11. Computer freezes after startup
  12. Ntfs.sys missing/corrupted
  13. Ntldr error
  14. Ntldr missing
  15. Ntldr compressed
  16. Fix MBR error
  17. Ntdetect failed error
  18. Ntoskrnl.exe Missing
  19. Fix MBR missing
Computer System Error+
  1. Clone USB
  2. Migrate OS to SSD
  3. Clone OS to Hard Drive
  4. Recover data after disk wipe
  5. Speed up computer
  6. Boost computer speed
  7. Registry repair
  8. Registry cleaner
  9. Backup OS
Computer System Error+
  1. Fix blue screen
  2. Fix black screen at startup
  3. Fix vista black screen
  4. Ndissys blue screen error
  5. Fltmgrsys blue screen error
  6. Fix Vista blue screen
  7. Fix XP blue screen
  8. Fix Tcpipsps blue screen error
  9. Fix Atapisys blue screen Error
Hot Articles
See MoreSee Less
Home / Computer Problems / How to Fix BootMGR Missing/Compressed Problem in Windows

All TOPICS

Top