Hi!!

i have a big prob with XP when i want to play a game like CS, Ballistics, every 3D game it Freezes or reboots itself???!!!???

PLZ HELP ME

I have a
Asus A7S333 mainbord
256 mb samsung DDR pc2700 memory
Athlon XP1700+ palmino prossor
and a InnoVision Gforge4 ti4200 64 mb DDR

and it's not overheating!!!!!