Game crash about 15 mins in

[username0]

Every game i play the game crashes and computer goes black screen afte 15 mins of play..??

Im running AMD X2 5200+ with 2 gig ram and 2x 7900GS GFX Cards sli enabled... meet all recomended standards ..

newest NVIDIA Drivers...
demo does the same

 

[afridi720]

Every game i play the game crashes and computer goes black screen afte 15 mins of play..??

Im running AMD X2 5200+ with 2 gig ram and 2x 7900GS GFX Cards sli enabled... meet all recomended standards ..

newest NVIDIA Drivers...
demo does the same

this happens to me but my game doesnt even go to the part where i get to play a single ball. It just crashes when its on the loading screen before its supposed to come.