ram slot not working laptop: How to Fix the One RAM Slot Not Working Issue? Fixed!. Why Won't PC Boot with 2 RAM Sticks (But Works with 1)? - CPUs ... . How to Fix a RAM Slot that is Not Working (STEPS) - Volt Fixer.
Then I tried to boot again with RAM in
slots 2 & 4, not working, tried again
slots 1 & 3, working. Then I borrowed another 2 & 16 GB DDR5 RAM, also 6000MHZ from my brother, plugged them in the 2 & 4 slots, not booting again.