820-3115-B RAM problem

hamed57

New member
Hi, I have a 820-3115-B board.
It does not registers the RAMs. Sometimes it boots up and works perfectly until I move it or pinch it! As soon as I move it the screen glitches and hangs on me.
It's not the RAMs. I tried different ones.
Motherboard does not have any sign of liquid damage or corrosions.
What could be the problem? Where should I look?

Thanks,
 
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