Originally Posted by paulerxx
Yes I tried this, you shouldn't have to reinstall Windows for graphics drivers..Unless it's new hardware.
DDU'd - installed drivers - issues still present
AMD's cleanup utility - installed drivers - issues still present
Update Windows, check chipset drivers, check temps, check voltages, make sure all frequencies are proper, PCIE-3 instead of 4, disable hardware acceleration in all programs, etc.
I've done just about anything and everything I could find on my end.
Are you able to move the video card to another machine? I'm just wild guessing but if all that fails, then the last stop would be the BIOS.