macbook 15 820-2850 ram problem

Macbook 15 has a strange issue, it works for a while, but after a few days ram are not detected and starts to beep. Removing and installing again ram fixes the issue. this issue is happened three times in a week.
Is ram slot going to die? How can I fix this issue?
 

Gurmon

Member
Probably a RAM slot. Could be crap corrosion in there. Have you tried installing RAM in a single slot yet ?
 
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