u/EnvironmentalLab795

Okay so a while back I had a board z390 prime had almost 4 sticks of 8gb in no problems then randomly one day was only able to have 1 stick of ram in no matter the configuration pc would never post it would turn on but never post tried changing the voltage per slot nothing gave up basically rebuilt the pc only thing that stayed the same was my graphics card have a z790 now with ddr 5 still unable to have more then one stick. please I need help