Thanks for your answer
If APU is fried, coils 6 and 7 would be 0 Ohms isn't it ?...

I check again; my probe are 0.8 Ohms... and those coils are 0.8 Ohms ... If only I had a thermal camera, it might be a very small component that I can't see with isopropyl alcohol...

Hello everyone,

I recently picked up a laptop that was about to be thrown away to try to repair it. I've tested quite a few things, but I don't know where to look anymore. Could you please help me?

[B]Brand:[/B] Asus Vivobook
[B]Motherboard reference:[/B] x421da, Rev 2

[B]Context:[/B]
The person who gave it to me mentioned it might have been exposed to water, but they weren't sure. After opening it up, I couldn't find any signs of water damage or oxidation on the motherboard.

The first thing I did was to connect the PC to a power...

[B]Hello everyone,[/B]

I'm currently in my final year of engineering school, specializing in Electronics and Electrical Engineering. Recently, I've developed a keen interest in all kinds of electronic repairs. At the moment, I'm focusing on motherboard repairs, though I'm still a beginner in this area.

I'm looking forward to learning from this community, sharing my progress, and hopefully contributing as I gain more experience. Any advice or tips are always welcome!
​[B]Hello everyone,[/B]

I'm currently in my final year of engineering school, specializing