I am trying to install Windows xp with 7pre installed?

[Vexxum]

But when I reboot it is fine till it loads
all files but when it should show
partitions it restarts again.... I am trying
to dual boot...

 

[Emerald]

http://www.howtogeek.com/howto/8790/dual-boot-your-pre-installed-windows-7-computer-with-xp/