With the introduction of Windows Vista came a new boot loader and a new tool to edit the file as well call BCD edit. Well BCD edit is a command line tool and can be a bit of a headache to manipulate.

6) In EasyBCD add an XP entry to the BCD selecting the appropriate drive. When you reboot Win7, you'll get a 5 second choice on which OS to choose. Win7 will be the default.

I also use EasyBCD to remove the timer for the Windows Bootloader if I choose Vista so it never shows. What I want to do is adjust my second drive to be about ~60gb Ubuntu and ~60gb Windows 7.

Learn how to back up and restore Boot Configuration Data Store in Windows 11/10 using CMD or freeware. If BCD is missing or corrupted, Windows won't be able to start.