My new 27 inch iMac has developed very thin, but very prominent black vertical lines on the screen during Zoom & other shared video calls. The lines are pencil thin, and there are (at present) seven or eight of them, randomly spaced. WT..?
Any help appreciated.
BE
iMac 27″, macOS 11.3
Hi there BE,
We understand you're seeing lines on the screen when on a Zoom call.
Do you also experience this when using FaceTime on your iMac?
Try quitting the app, then launching it again. Do the lines reappear? Do they happen with every call on these apps, or only specific ones?
Also, restart your Mac in safe mode, and test for the issue there. Here's how: How to use safe mode on your Mac
Cheers!
vertical lines on screen during Zoom & other calls
