RX 570 won't mine

I have an MSI RX 570 8G card that was working fine in a rig of 7 of the same cards.
It stopped mining one day, but I can still connect a monitor to it and get a video signal, so I know it’s working, it just gets 0 MH. OCs were stable, and about the same for all the cards in the rig. I’m using TeamRedMiner. Tried newer and older versions of the miner - nothing. Tried it in windows using Nicehash, again did not mine, but was also fine from a basic video perspective. Other miners - same thing.
HiveOS will generate a dag, and tries to min, just gets nothing and tries to reboot after a while because the card isn’t finding any shares. (I isolated it on a test bench as well. Completely different hardware except for the card, still same results)

Any suggestions on what to try to get the card mining again?
Thanks!

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