Hi!

I have the same issue. My HP 6570B starts without pressing any button, and the Caps Lock and Num Lock LEDs blink 3 times. The fan runs at maximum speed, but nothing appears on the display. I already tried writing different BIOS files, but the issue remains. I also read the BIOS with a chip programmerfrom a working laptop, saved it, and rewrote it, but the problem persists (the good laptop works fine). The RAM and CPU have both been tested and show no issues.

If someone has found the cause and can help me, please let me know.

Does this laptop have the...