Windows 8 boot repair

command prompt form Win8 DVD boot:

diskpart
sel disk 0
list vol

// get EFi partition > FAT32

sel vol 3 // if 3 is the EFI
assign letter=v: // if there isn’t letter

exit

REPAIR:
cd /d v:\EFI\Microsoft\Boot\
bootrec /fixboot

REBUILD BCD STORE:
ren BCD BCD.old
bcdboot c:\Windows /l en-us /s v: /f ALL