PC won't boot all 4 RAMs

DIMM 3 and DIMM 4 RAM slots won't work ram slot 3 and 4 not working 7PCIe slots Up to300Wauxiliary power One PCIe x4 gen 3 Apple IO card Four PCIe x8 gen 4 Two single height Two double height Two PCIe x16 gen 4 Double rambo 789 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

ramses book christmas edition slot Since the Aurora-R4 above failed to work with original 4x4dimms re-installed, it appears that the motherboard was damaged during the process