HP Pavilion dv5 - 1150us Black Screen

NLTNeT

Honorable
Dec 14, 2013
1
0
10,510
Hi

My HP Pavilion dv5 - 1150us just won`t start. I try everything reset BIOS, clean the fan, replace RAM... Keyboard LED Caps Look is blinking just once ant that`s all, I can get in BIOS to change boot device and after that just black screen.
Can somebody help me?
Thanks.