How to recover bootmgr file in windows 7

 If the "bootmgr" file is missing or corrupted in Windows 7, you may not be able to boot into Windows. Here are the steps to recover the "bootmgr" file:

Use Windows installation disc: Insert your Windows 7 installation disc into your computer and boot from it. Once the installation disc loads, select your language preferences and click "Next". On the next screen, click "Repair your computer". This will launch the System Recovery Options menu.

Launch Startup Repair: On the System Recovery Options menu, select "Startup Repair" and follow the prompts to repair the boot configuration. This will scan your system for issues and attempt to repair the "bootmgr" file.

Use Bootrec.exe tool: If the Startup Repair tool does not fix the issue, you can try using the Bootrec.exe tool. On the System Recovery Options menu, select "Command Prompt". Type in the following commands and press Enter after each one:

bootrec /fixmbr

bootrec /fixboot

bootrec /rebuildbcd

Replace the "bootmgr" file: If the above steps do not work, you may need to replace the "bootmgr" file manually. To do this, open the Command Prompt as an administrator and navigate to the Windows directory (usually C:\Windows). Type the following command and press Enter:

attrib -r -s -h bootmgr

This will remove any attributes that are preventing you from accessing or modifying the "bootmgr" file. Next, rename the file by typing the following command and pressing Enter:

ren bootmgr bootmgr.old

Finally, copy the "bootmgr" file from the Windows installation disc by typing the following command and pressing Enter:

copy D:\bootmgr C:\

(Assuming that D: is your DVD drive letter)

Restart your computer: Once you have completed the above steps, restart your computer and see if you can boot into Windows.

In summary, to recover the "bootmgr" file in Windows 7, you can use the Startup Repair tool, the Bootrec.exe tool, manually replace the file, or use a Windows installation disc to repair the boot configuration.