Nobody can help me ???

Brand HP
Model nr : probook 450 G1
Boardnummer :
RAMPAGE MB 12241-1 48.4YW03.011
Problem when i power up the laptop starts itself but 5 times blinking capslock and numlock , then goes the fan max but no picture.

I measured all power supply. They all present. I tried to flahs many bios dump but got ...

Hi All

I have a problem with this hp probook 450 G1. The problem is when i plug the adapter the laptops goes on but gives 5 X times blinking Capsloc + Numlock. Then spins the fan max., no picture.

I measure all voltages and they are present , i tried a lot to flash bios. But no luck.

I have ...