PC Won't Boot up After RAM Installation: What to Do

3 & 4 Memory RAM Slot Not working ram slot 3 and 4 not working When you have another, try cleaning the slots with a soft toothbrush inside and using alcohol Blow out with compressed air It's worth a try if rams slot receiver Well, I'm out of ideas If BIOS is showing the RAM as being in Slots DDR3_1 & DDR3_2 then logically there must be a communication error between

rambo 789 slot I could even enable the XMP profile and run the ram at 2133 no problems at all Also i'v test each stick of ram individually and found no problems, also