How to fix Bootmgr missing on Windows 7
Please try the following suggestions to see if the issue can be resolved:
Method 1:
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Note: Please ensure that the DVD-ROM is the first booting device.
1. Please insert the Windows 7 DVD and reboot the computer.
2. When we are prompted to press a key to boot from the DVD, please press Enter or the space bar.
3. Choose your language settings, and then click "Next".
4. Click "Repair your computer".
5. Select the operating system you want to repair, and then click "Next".
6. On
the System Recovery Options menu, click "Startup Repair". Startup
Repair might prompt you to make choices as it tries to fix the problem,
and if necessary, it might restart your computer as it makes repairs.
Method 2:
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1. Boot from WINDOWS 7 DVD.
2. Select "Repair computer".
3. Select "Cancel" to exit the repair wizard.
4. You will now get a screen which displays 'command prompt', 'system restore', 'memory diagnostics', etc…
5. Select "command prompt".
6. Type your "DVD-DRIVE LETTER" in command prompt, press ENTER.
7. Now if your Windows 7 is installed in C drive, type "copy bootmgr c:\" without codes, press ENTER.
8. After successful copy type "exit" without codes, press ENTER.
9. Reboot computer.
10. Select "start windows normally".
If This Is Not Working
Try This youtube Link
