I newly installed Ubuntu and so I wanted to install the drivers for my AMD rx580, downloaded the file and installed it via this guide here
I tried both the normal and pro install but both gave me an error. Tried like the first answer here said, rebooted and got a white rectangle in the middle of the screen and some text wasn't displayed correctly. So I uninstalled the driver like in the first link described and wanted to reboot, but now my PC won't boot correctly and I'm stuck at a black screen with: "A start job is running for hold until boot process finishes up"
At this point I couldn't find anything on google.
Edit 1:
After the mount command nothing else will show up in the command line (except the line to enter my next command) and on tip of the white box with different options there is still written "read-only".
After that if I try the amdgpu-uninstall
commad it says it couldn't find the command even after I navigated to the files I downloaded (maybe it needs to be executed in another folder but I don't know which ). I also tried this with the pro command.