Ok here the deal.
got a new card for my system(XFX ATI HD4870 512mb),instaleed it on a clean system,updated latest drivers,after about two weeks im noticing random restarts when playing games(fallout3) and watching movies,this is very frusrating as its a pretty new card.before buying this i replaced my aging psu,an antec 500w basiq model,i got a powerful silverstone 750w element one to make sure my card was getting enuff juice.
my pc is virus free and all settings are on stock,i dont dabble in OC'ing etc...
any ideas so i can get back to gaming,?
im really hoping my card is not on the fritz,took me ages to save up for it