i play assassins creed revelations with a new graphic card i just bought. NVIDIA Geforce GTX 650 2Gb 128bit with my system: Windows XP professional (32bit) Processor: Intel(R) Core(TM)2 Duo CPU E7500 @2.93GHz (2 CPUs) RAM: 4 giga (read only 3 giga becos windows xp 32 bit) My computer experiencing graphic distortion while playing Assassins Creed Brotherhood, Revelations and Dota2. it just happen randomly. then when i go alt-tabing then it return to normal. then w8 couples of minutes then i have graphic distortion again. i got stress. please help. any help is much appreciated. the question is "WHY" becos of my windows xp 32 bit? and this not about my CPU overheating or anything. my cpu is fine.