3080 fans acting strange

My PC crashed about a month ago and I never bothered turning it back on to mine since the price crash made it almost unprofitable (was mining ravencoin). Now I'm trying to mine eth but the gpu fans are not kicking up the way they should. When I turn my pc on and off the fans do fire up loudly like they should at 100% but using msi afterburner they just aren't spinning up like they used to.

I updated to windows 11 and I'm hoping windows 11 is interfering with fan control? Is there a way to test whether my gpu fans are kind of dead? They still work but at 100 they sound like they used to at about 80.