Aoa dosto kal humare wahan light kafi dem thi yaani kam thi aur phir achanak light chali gayee jub waapis aayee tu us k baad se mera pc chal nahi raha .....problem ye hai k mera system xp boot screen k aagaya nahi jata aur ek green screen aati hai aur system off ho jata hai.Mera system IBM ka hai ....maine rams bhi change ki hai aur windows bhi karne ki koshish ki but system off hi ho jata hai......please mujhe batayein k ye acha khasa chalte chalte mere system ko kia ho giya hai main boht pareshaan hoon.Maine system ki bios bhi default kar k try ki but problem is still aur system boot screen se aagay nahi jata.Haan ek baat aur maine hard disk bhi change kar k dekhi hai.Please help me im waiting?