i test another GC (saphire hd4650) in my system and when i run the test of win 7 some times he finished the test and give me the rate and some times blue screen in the down, i can read erreur RAM or some think and the pc reboot
but ther is no problem driver ?
i think no i have many problems
problem graphique card + problem ram or motherbord
ahhhhhhhhhhhh what i do !!?