how can i fix my computer?

Hi Andy
that sounds like a couple of thing it could be, if you have a fan on your graphics card make sure its working (i know youl probably have checked that) if the machine just "goes off" then it could be a CPU overheating also, also you need to check your power supply as sometimes you can have a thing called "brown outs" where the power supply cannot supply enough power to the computer, ask around about power supplies etc and if it sounds like your problem then there you go. there are a lot of things that can cause this sort of problem though, is it doing it when your not playing games? or only when you are?

Gary
July 2007