Need system information on your CPU:GPU:Motherboard:OS:HDD:RAM.
Check Windows device manager and send a screenshot of what it sees as display adapter.
Make sure your windows installation checks out clean.
Run the following
Go to Wagnardsoft.com
Download DDU.
Download latest version of adrenalin driver for your GPU.
Disconnect from the internet - remove your ethernet cable amd disable wifi.
Boot into Windows safe mode.
Run DDU and uninstall all AMD and Nvidia Driver traces.
Reboot into windows normal mode.
Install the Amd driver.
Reboot Windows.
Then connect to the internet.
This case is interesting to me because I have a Radeon Pro DUO (Fiji) for repair.
Similar story. Crossfire stopped working.
Good luck.
