bhai ma na usb say laptop ma win 8 install ki ha lakin jab win start hoti ha tb koi display ni hota phr power ka button dbao tou sleep ho jata ha aur dbara power dbanay say on hota ha shutdown k wqt bhi esa hota ha koi display ni ata aur bari dair bar off hota ha............isi trha jub installation kr rha tha tou pheli dfa jo F12 k button sath installation start krtay hain tb files copy kernay k bad lptp dbra restart hwa aur phr koi display ni,lakin win install ho gai thi wo b 10-15 min ma hoi thi...ab mujay smj ni a rhi k kha pay problem hoi ha........plz help meee...