Thread: Windows Vista no longer starts after you install an earlier version of the Windows

To resolve these issues, follow these steps.

Note You can run the instructions in the subsequent process by use of the command prompt. If you run these instructions in Windows Vista, run them at a command prompt that has high user rights. To do this, click on the Start button, and click on the Accessories and after that right-click on the command-prompt shortcut, and finally click on Run as Administrator.

1. Make use of Bootsect.exe to repair the Windows Vista MBR as well as the boot code that transfers manage to the Windows Boot Manager program. To do this, sort the subsequent command at a command prompt: Drive:\boot\Bootsect.exe /NT60 All

In this command, Drive is the drive where the Windows Vista installation media is situated.

Note The boot folder for this step is on the DVD drive.

2. Make use of the Bcdedit.exe to physically produce an entry in the BCD Boot.ini file for the previous edition of the Windows operating system. To do this, type the following commands at a command prompt.

Note In these commands, Drive is the drive where Windows Vista is installed.

o Drive: \Windows\system32\Bcdedit /create {ntldr} /d "explanation for earlier Windows version".

Note In this command, explanation for earlier Windows version can be any text that you want. For example, Description for earlier Windows version can be "Windows XP" or "Windows Server 2003".

o Drive: \Windows\system32\Bcdedit /set {ntldr} device partition=x:

Note In this command, x: is the drive letter for the active partition.

o Drive:\Windows\system32\Bcdedit /set {ntldr} path \ntldr

o Drive:\Windows\system32\Bcdedit /displayorder {ntldr} /addlast

3. Restart the computer.