ram slots 2 and 4 not working

ram slots 2 and 4 not working: Can I use two 4GB RAM sticks with 1 8GB ram stick on 2 dimm slots ... . One RAM slot is not working - only beeping. Verifying that you are not a robot. - Bot Verification.
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ram slots 2 and 4 not working

2026-03-26


One cpu pin is bent and I want to know which cpu pins affect ram slots beacuse pc doesnt boot with 2 ram sticks in slot 2 and 4 only boots when there is one ram on 2nd slot.
Why is my RAM slot not working? Your RAM slot may not be working because of an incompatible RAM, a broken slot, bent pins in….
Troubleshooting MacBook Pro A1278 with 1 RAM Slot Not Working Properly.