ok well i just replaced my mobo and my cpu.... i still have my hdds though, and i have a copy of windows xp student version. well when i turn on my computer of course it cant load anything, it just says my mobo info, then it says windows encountered and error how would you like to start. and when i put the cd in. nothing happens, or it will say change to proper boot device or enter proper media disk, im totaly stuck. is this not working beucase i have xp home on my hdd and im trying to intsall student vvs??? do i just need to go out and buy a new xp home disk? like it wont even boot up most of the time the cd? plz help me thanks