Hy! I bought a new Sapphire 5600Xt, my old VGA was a sapphire r9 390. Before I install a new, a uninstall the old driver whit DDU an AMD clean utility. The card crash my computer around every 5-15 minutes, and i use only the hard reset. I have a same problem whit all adrenaline driver. If i don't install the driver i don't have problem and the computer is not crashing.
I tired the next things:
All OC turn off, (CPU, RAM) - load default system bios
Try all AMD driver
Install only VGA driver without adrenaline software
Clean out the pci slot
Use other VGA cable from PSU
Gigabyte Z170-HD3P, I5 6600K, 2x8 DDR4 Corsair Vengeanc, EVGA Supernova G2 750W, Samsung 850 Evo 128Gb, WD Blue 1TB,