Thanks for your answer.
I have tried using DDU utility in safe mode... even reinstalling the windows and using a clean install of the AMD drivers...
I still get the blackscreen sometimes... usually after playing any game... without overheating (GPU is under 60 degrees most of times)..
As the opening poster has confirmed that his issue has been resolved, this discussion will now be locked.
If you continue to experience an issue, please start a new discussion and provide all of the information requested in this link > https://community.amd.com/thread/196209