AMD are aware of the problem on installing new drivers with the hd7970.
Stay with/reinstall the last working driver you had for the time being, they are working on a fix..
Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, NM790 2TB, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T..