Why do black bars appear while playing games, ever since I downloaded Windows 10?

[Windows Central Question]

Black bars appear while playing games, ever since i downloaded windows 10!

Ever since i upgraded to windows 10, there are black bars on each side of the screen when i play! very annoying!

 

[pankaj981]

Re: Black bars appear while playing games, ever since i downloaded windows 10!

Is this on PC or mobile?