Yes that is a possability. Could be over heating could be any number of things. But over heating probualy is not happening cause most times you get an error. Yeah Lower your res a notch, and run your game. But if its not haveing no problems, ROCK ON keep it as high as you can.
Double Tsunami's--Athlon 64 3800--ABIT Fatal1ty AN8 939 Sli--2x512MB Baliztix Ram--Raptor 74GB 10,000RPM--MSI 6800 GT--1/2ID Switech Liquid Cooling