How To Repair RAM Slot On Motherboard

Laptop RAM upgrade (new RAM doesn't work in RVS slot, but works ram slot 1 and 3 New PC conf and I got RAM question, shall I put the memory sticks in SLOT 13 or stay with my current setup 24? rambo 789 slot When a user wants to add or upgrade RAM in a computer, they need to know how many memory slots are available

ram slot 1 and 3 or 2 and 4 lshw -class memory tells you firmware, cache, and memory banks in detail IIRC, before my upgrade it reported bank:1 unused , and now it tells