mere pc mai ek problem agai hay jab mai on karta ho to asani se on nahi hota bar bar power on of karne per on hojata hay. bilkul sahi on hota hay lekin kch dair chalne k bad achank screen white hojati hy kabhi kabhi black or kabhi green or kabhi orange... mujhe samjh nahi araha ye problem RAM ka hay ya mother board ka ? ? ? plz help