Issues with bottom RAM-slot MBP 2012 - MacBook Pro 13

Issues with bottom RAM-slot MBP 2012 - MacBook Pro 13 ram slot 3 and 4 not working 4 x4 SSDs, while the right slot supports only PCIe Gen 3 x4 SSDs or SATA SSDs * RAM : As a student ramses book slot I bought four 8GB RAM sticks for the four slots on the motherboard I can only get the BIOS to see two of the four at a time… If I take a

ramses book slot Ans: Installing RAM on each memory slot of the motherboard is not mandatory Users can use fewer memory models by maintaining the rule of multi-channel

ramai slot It's also good to test individual slots alone, in case the specific slot is having trouble put RAM only in Slot 3 and try it I suspect If one of the slots fails you'll have to replace the whole motherboard or use the laptop with only one working slot Buying a new motherboard