To everyone who haven't resolved this yet:(I am combining all the solutions into one post)
Option 1.Try Rolling back if you have an option:
See DaveM and Sumit Dhiman2 posts:
Option 2. Remove AMD drivers completely and Install the legacy ones from the AMD site:
What you need to do:
- Uninstall everything of AMD using this: http://support.amd.com/en-us/kb-articles/Pages/AMD-Clean-Uninstall-Utility.aspx and reboot
- Reboot.
- Make sure your device manager shows Microsoft Basic Display adapter.
- Download the legacy driver from here(You might have to do a bit of exercise to locate the driver:
http://www.support.amd.com/en-us/download
5.Run the Setup and you should be good to go.
Option 3: See if Windows itself has some history of the Older Driver:
Solution by Ken-C here:
Please note all the steps need temporarily disabling of Windows update or driver updates so that newer driver doesn't install automatically.
Why did this happen?
http://www.yourwindowsguide.com/2017/11/is-your-computer-not-showing-display.html