Sapphire 570 problem

#1

There is a problem with my sapphire 570 nitro+ whenever i plugged it in the screen freezes like tge photo attached but when i unplug it and connect my otger cards it starts normally !!
Anybody has a solution for this …
I actually changed the riser with no different result …

#2

do you still have your HDMI plugged in? You will have to go “headless”

disable on-board GPU or set to auto, make sure no monitor is connected. Claymore will try and initialize first GPU and it is not supported