Black borders - Resolution problem

[Ataros]

Is fullscreen mode on in game settings?

Also try go to Steam and check files integrity (RMB on CloD >> Properties).

If it does not help maybe the reason is:

Originally Posted by ariel__s

I solved using the Scaling Option on the Catalyst Control Center.

Try setting it back to default.

Could you attach a screenshot to show what is the problem exactly?

Did you install all updates via Steam? What is your game version?