I would do the ones in the link that I posted above.
Bootmgr is missing
bootrec /fixmbr
(your dvdrom drive letter):\boot\bootsect.exe /nt60 all /force
del C:\boot\bcd
bootrec /rebuildbcd
Close cmd prompt, remove dvd, Reboot.
Quote: Originally Posted by
persiagulf4ever 
which command is useful for activing boot files of drive d:\ ?
Quote:
Boot the computer from Vista OS DVD. - Click on Repair Your Computer.
- At the X:\Sources prompt, type bcdedit /export C:\BCD_Backup and press <Enter>
- Type c: and press <Enter>.
- At the C:\ prompt, type cd boot and press <Enter>.
- At the C:\Boot prompt, type attrib bcd -s -h -r and press <Enter>.
- At the C:\Boot prompt, type ren c:\boot\bcd bcd.old and press <Enter>.
- At the C:\Boot prompt, type bootrec /rebuildbcd and press <Enter>.
- The Boot Configuration File will be rebuilt at this point. Once it finishes, type exit and press <Enter>. Click the Restart button .