‎Aurora R4, Dimm slots 3 and 4 not working

Motherboard RAM Slots: What They Are and How to Use Them 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 ramayana slot Slots 1 and 2 on my MB work fine but if I try 1 and 3 or 2 and 4 then all I get is a blank screen The fans etc are running but nothing is on

ramses book golden nights slot 3 and enable lifelike virtual worlds with 3x SSD 4x RAM Slots More Storage More Memory More Expansion The Titan 18 HX features 4 DDR5 memory slots