The AMD PSP Driver and SMBus driver should be compatible with the B450 and Ryzen 5500.
Make sure your BIOS is up to date.
Check Windows Device Manager whether any devices are indicating problems and any error codes.
Try to force a driver update through Device Manager for any devices that indicate a problem.
Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT