There is no switchable graphics on desktop systems, it is for laptops.
Are you using multi monitors with one connected to intel graphics, and what is the exact make/model of the R7 ?
My PC- 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.