New GPU artifacting.

Aug 22, 2018
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So I just got a new RX 580 GPU
And after a few hours of playing games (PUBG, League) I booted up shadow of war and almost immediately got massive artifacting. Artifacting now persists in other games too.
It also has minor artifacts on idle


My rig: FX 8320 (4.0Ghz)
Rx 580 (No OC)
8 GB ddr3 ram

Thanks for any help


P.S. I hope formating is okay, on mobile.