Try taking ram out and trying one stick at a time in different slots..
Maybe a Ram stick has gone bad or a slot..
You could also try the 580 in another pcie slot..
Download driver version 22.3.1 and try running it with that, it is the driver I am using now and did with my RX580..
AMD Ryzen 9 9900x, Asus Tuf Gaming RX 6700 XT, Asus Crosshair X870E Hero, 64gb Kingston DDR5 6000, Samsung 980pro 1tb NVME, Samsung 970 EVO Plus 1tb NVME, DeepCool Mystique 360 AIO, Antec Titanium 1000w.