How to Fix a "BOOTMGR is missing" boot error in Windows Vista
Have you ever gotten the error message, "BOOTMGR is missing" on your PC? Well, if you have check out this video. In this tutorial, learn how to remedy and fix this problem in no time.
Get your Vista installation DVD (or download it here and pop it in.
Restart your PC
Set your PC to boot from DVD or CD in your BIOS.
Vista will ask you for language and keyboard layout information, after which you will be asked if you want to re-install Vista or repair your existing installation.
Select "repair", System Recovery Tool should start.
Select Startup Repair and that's it!
If not, try..
Pop in the Vista DVD
Restart your PC
Press a key when you are prompted
Select a language, time, currency, keyboard or another input method, and click "next"
Click Repair on your computer
Click the OS that you want to repair and click "next"
In the System Recovery Tools dialog box, click "Command Prompt"
Type bootrec/rebuildbcd and press Enter
• If Bootrec runs successfully, it will present you with the installation path of a Windows directory. To add the entry to the BCD store, type Yes . A confirmation message appears that indicates the entry was added successfully.
• If Bootrec cannot locate any missing Windows installations, you must remove the BCD store, and then you must re-create it. To do this, type the following commands in the order shown below: (Remember to press ENTER after each command)
bcdedit /export C:\BCD_Backup
ren c:\boot\bcd bcd.old
Restart the computer.