820-2850 ram socket problems?

MDY

New member
820-2850 has some common ram socket problems? Support 8GB?
Sometimes working on videos on youtube beeps 3 times and freeze.
 

dukefawks

Administrator
Probably one bad socket, usually the one you put the RAM in first. Max. out the good slot, the one closest to the bottom of the machine. Not fixable.
 

MDY

New member
Now appears artefacts when touch the board or make pression here and there. Could be the mux?
 

dukefawks

Administrator
MUX can be reflowed but need to very carefully remove ALL the glue. If you mess this up it will be reball time and that sucks.
 
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