Second ram slot not doesn't work

z640_ Only DIMM 1 Memory Slot works dimm 2 slot How can I fix it? I already switched the RAM between slots something like 5 or 6 times It always says DIMM2 regardless what I change memory dimm slot meaning Between the massive CPU socket, eight DIMM slots, and the absolutely huge VRM heatsink, there really isn't much board vendors can do to create

dimm slot not working 1 DIMM means the RAM occupies one of the two slots on the computer 2 DIMMs mean that RAM both of the slots for memory in the notebook If