Windows NT6 (Vista, Windows 7/8/10) BIOS/MBR boot process depends on the presence of an active partition on hard disk. (On UEFI/GPT the full path is '\EFI\Microsoft\Boot\BCD') The full path to this file is '\Boot\BCD'. In Windows Vista, Windows 7, Windows 8/8.1 and Windows 10 the System Boot Configuration Data (BCD) is stored in a file in folder '\Boot'. See how to create or obtain a Windows 7/8/10 installation/repair CD/DVD/USB. (use Visual BCD Editor or Dual-boot Repair tool to export/backup BCD or use 'bcdedit /export backup-file-name' on elevated command prompt) (on UEFI/GPT based installations the system BCD is on EFI system partition)
Repair Windows BCD - Windows 10/8.1/7/Vista
