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What to do if the bootmgr is missing error appears

Что делать, если вылазит ошибка bootmgr is missing

The boot loader is a program that must be the first to load into RAM and control the loading of the operating system (OS). The bootmgr file is the Windows 7 bootloader. If the bootloader is not found, then the operating system naturally does not boot. The essence of the bootmgr is missing message is that the Windows 7 bootloader was not found.

Sometimes this problem can be solved by a simple reboot. Need to click goryachie key Ctrl+Alt+Del.

In Windows 7, the bootmgr loader can be located on the “C” drive in the partition with the operating system. Also, this program may be in a special hidden section that must be active. In this case, OS loading begins from there.

Causes of the bootmgr is missing error:

· The computer was turned off incorrectly, or it froze.

· The file can be deleted by the user himself or by a virus.

· The active disk partition has changed. The bootmgr file must be on the active disk partition.

· The boot disk C was compressed.

· The hard drive has suffered physical damage and bad sectors have appeared.

You can correct the situation in different ways. Let's consider one of them:

You need to take the installation disk or USB flash drive with Windows 7. Your computer must have a CD reader.

We go into the BIOS and indicate to boot from this device.

How to do it?

Start perezagrujat computer. At startup, different phrases appear on the screen on a black background at the very beginning. Depending on what version of the BIOS you have, press one of the keys F2, F8, DEL, F10. Next, go to the Boot section, find Boot Device Priority, set the CD/DVD drive as bootable, and Save and Exit.

· Insert the Windows 7 disc into the drive and begin rebooting the computer from the CD.

The installer says "PRESS ANY KEY TO BOOT FROM CD". In response to this message, press Enter to begin downloading from this device.

· In Windows Boot Manager, you need to select “Install windows” and press the Enter key.

· Windows is loading files appears.

· Once the installation files are downloaded, a window appears asking you to select a keyboard layout.

· In the next window, select your operating system, check the top line “Use recovery tools that will fix Windows startup problems” and move on.

· “System recovery options” appears, specify the command line;

· In the command line, go to the CD/DVD device, but first find out which letter is assigned to the drive.

· To do this, type the commands: Diskpart; list volume; Exit.

· We remember which letter corresponds to the drive.

· Go to the disk that is assigned to this device.

· Next, copy the bootmgr loader from the installation disk to the root of the system disk. This drive is usually drive C. Windows 7 will be loaded onto it again. Type the command: copy bootmgr C:\\, and then exit.

· In the “System Recovery Options” we specify reboot.

· We go to BIOS and again set to boot from hard drive C.

The problem is fixed, you can work.
April 22, 2014 2
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  1. Just4tw
    Just4tw
    21 November 2023 17: 07
    The article is good and I hope I never need the knowledge from it) well, why bother working with this loader. 
  2. Shaty
    Shaty
    1 December 2023 17: 07
    You were right in the article and restarting the computer helped. Perhaps this really happened because I pulled out the cord, and did not turn it off normally.