Hi everyone,
I have little complicated issue motherboard issue with HP Pavilion 15 from my friend.

Board doesn't react to power button. It's only signalized the charger was connected and/or acumulator charging.

I found schematic for my board, so I checked button connection to KBc and main supply. I found the MAINON stay low/gnd after power button push. So processor and other components has no power.

I have suspicion to faulty KBC circuit but I'm newbie so I need to know if this faulty is possible.

[B]My motherboard[/B]
Model:...

Re: New Members - please post your introductions here

Hallo world Badcaps,

I'm hardware and software developer from Czech republic. I was born in age when processor 80386 SX was launched. So I'm quite young and I graduated this year. My specialization is Cybernetics and robotics which is actual electro-engeneer discipline.

I'm very interested in this forums because it helped me to make my work easily many times. Minor part of my developer work is coputer servis. So I from time to time repair motherboards, make reworking and others.

My...

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I tried that on Probooks 4520s and 6540b.

But, I found solution for these notebooks. I installed OS on HDD on other computer (Win7) and I downloaded last version of BIOS from official HP website. I put HDD to locked Probook and boot-up to Win.

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