Laptop :- HP Pavilion g6 (DA0R13MB6E1)
Problem :- No Display.
Diagnosis :- Run With DC Power Suply. Found Amp Rating is 1.30amp. So 1st dry sholder the board(Same Probelm) . Then Programe both Bios Display come but with in 30 sec. again no display. Then Replace the Main BIOS ic and programe it. Problem Solved.