How To: Fix “BOOTMGR Is Missing” Boot Time Error In Windows Vista
After getting this Windows Vista boot time error, your computer screen constantly displaying the error message as:
BOOTMGR is missing press ctrl+alt+del to restart.
This Windows Vista boot time error actually occurs due the reason of many issues like the presence of another operating system and other hardware issues, such as whenever you insert a new hard disk drive into your computer or change the current hard disk drive configuration from master to slave or slave to master.Also some other unknown hard disk drive issues causes this problem.Since this issue comes at the booting phase of Windows Vista so we can’t fight with the computer by changing few settings in the operating system because you simply don’t have access to operating system.If you want to fix this Windows boot time error without reinstalling the Windows Vista operating system, then try any of the following methods:
- Boot your computer from Windows Vista installation DVD and click Next button to continue.
- Now from the opened menu choose the option “Repair your computer“
- The installation process will automatically attempt to find your Windows Vista installation directory.After finishing this process click next to continue.
- Choose a recovery tool->startup repair.Now the Windows Vista installation process will try to repair the system, and then prompt you to reboot your computer.
- If you want to use the Command Prompt option instead of above steps, use the following command to fix the boot options only: bootrec /fixboot
- After this just restart your computer,your Windows Vista will start working without any problems.
If the previous method does not resolve the problem, you can rebuild the BCD store by using the Bootrec.exe tool in the Windows Recovery Environment. To do this, follow these steps:
- Boot your computer from Windows Vista installation DVD and click next
- Now from the opened menu choose the option “repair your computer”
- Click the operating system that you want to repair, and then click Next
- In the System Recovery Options dialog box, click Command Prompt
- Type bootrec /rebuildbcd and then 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
After running these commands restart the computer.