How to set up your PC to dual-boot between Windows 7, XP or Vista! In Windows 7, try to modify Boot Loader.
1. Click Start Menu --> All Programs --> Accessories --> right-click the Command prompt --> Select "Run as administrator"
2. In the elevated command prompt, type the following command to modify Windows 7 Boot Loader.
bcdedit /default {ntldr}
*******This places Windows XP as the default OS to boot first with.
bcdedit /set {current} description "My edited Windows Boot Entry"
******* It changes the title of the boot menu entry "{current}".
bcdedit /timeout 5
******* It changes the wait-to-select-OS menu timeout.
To show more informations about bcdedit, type "bcdedit /?".
