Just bought a new PC  These are my spec Overview:AMD Ryzen 5 3600X ASUS® TUF X470-PLUS GAMING 16GB Corsair VENGEANCE 3000MHz 8GB AMD RADEON™ RX 5700 2TB SEAGATE BARRACUDA HDD 256GB ADATA SX6000 Pro PCIe M.2 2280 fps good, most of the time i can run on ultra, but then sometimes things don't rez even after 20 minutes., i reduce performance to mid, but still no improvement. the fps continues to be good.  i'm a complete IT novice so guidance would be appreciated. drivers u