You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Black Pixels Around Corners of Application Windows and Dialog Boxes

Hi guys,


I have a MacBook Air running Catalina after upgrading from High Sierra I have noticed black pixels around corners of application windows and dialog boxes. Is a kext file damaged or something? It is really annoying so could you guys please help?


Thanks

Liam

Posted on May 27, 2022 12:43 PM

Reply
Question marked as Top-ranking reply

Posted on May 27, 2022 3:34 PM

Howdy,


If you see black borders around interface items, check to see if you have "Increase contrast" enabled in

System Preferences > Accessibility > Display (sidebar) > Display (tab) > [ √ ] Increase contrast.


Without Increase contrast:


With Increase contrast:


ivan

Similar questions

5 replies

Black Pixels Around Corners of Application Windows and Dialog Boxes

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.