Do you have an other card installed, or monitor is connected to the mobo output ?
You removed previous graphics card drivers/software, what OS (retail/insider preview vers.) ?
Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, Aorus gen4 1tb, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T..