mere computer main ik problem hai.jub window kerta hon tu jub file copy kerta hai tu 115 per ja ker hang ho jata hai.aur kis aur system se file copy kerte hain tu comper per setup nahi chlta ha.main ne hard disk ko format bhi kya hai aur ram bhi change ki hai.aur data cable bhi change ki hai.please help me expert.main ne pura system asmbling and desambling ki hai.please help me sirrrrrrrrrrrrrrrrrrrrrrrrrr