I bought a used AMD Radeon RX470 4GB GPU (just about the only card I could find for $200), and upon installation, Windows' device manager automatically recognized it and assigned a driver dated 2020. I also have a low-end AMD graphics-adapter the vendor threw in for free still installed. Windows' device manager had already installed a working driver for that card on delivery.
Everything was working fine, but I thought I should update my drivers since they were all over a year old. Since you can no longer download specific drivers from AMD's site, I downloaded and installed AMD's Adrenaline application. Apparently this was a mistake!
According to a post by RogerS in another thread, Adrenaline installs the gaming drivers (which aren't recommended for our purposes). After running Adrenaline, both the original AMD card and my new RX470 stopped working—I had no display-output. After repeated blind re-boots, I got the system back, but now the low-end AMD card only displays Windows' wallpaper-graphic with no icons or mouse visible. No great loss, but it was nice to have the low-end card available as an option.
I do have the RX470 working with the Adrenaline-installed driver (after a dozen "no-signal" re-boots), and its output does appear gorgeous (and Vegas runs fine with it), but I assume I'm now using the gaming driver which Adrenaline auto-detected and installed. I searched for the recommended "studio driver" for Radeon cards but couldn't find it. Could someone please post a link to the AMD studio driver for an RX470 4GB card? Thanks!