I tested 5.15.0-116 on a HP ProDesk 405 G6 Desktop running Mint 20.1 (using linux-hwe for the 5.15 kernel) and 5.15.0-116 resolved the problem. Thanks all :)
(Now I just have to wait for it to hit general release so I can update the other 20 or so I'm responsible for ;)
I tested 5.15.0-116 on a HP ProDesk 405 G6 Desktop running Mint 20.1 (using linux-hwe for the 5.15 kernel) and 5.15.0-116 resolved the problem. Thanks all :)
(Now I just have to wait for it to hit general release so I can update the other 20 or so I'm responsible for ;)