jub may system on karta ho to cpu to chal jata hay lakin lcd per kuch show nai hota Ram aur graphic card bhi laga kar check kar lia phir phi nai hota 7 say 8 dafa on karo to thora chalta phir blur screen a jate hay new hard disk bhi lagai hay jub window half hoti hay to system hang ho jata hay aab mujy batye kay kia problem ho sakta hay please help me.