how to turn off screen mirroring on mac big sur

Others are experiencing temporary black-outs which come and go, unstable connections, blurry fonts, washed-out fonts, garbled images or screen flickering.įor those that have just bought M1 or M2 Macs and are trying to use more than one external monitor, it’s important to be aware that the base model M1 and M2 chips do not support more than one external monitor so do not recognize dual monitors. In other cases, some monitors are completely blacked-out or not charging the MacBook Pro connected by Thunderbolt or USB-C cables.

In the worst cases, some Mac users have found that the external display is not recognized by Ventura or Monterey when connected via USB-C or Thunderbolt. The problem has affected all brands of monitor including LG, Dell, BenQ, Asus, Acer, Xiaomi and even Apple’s own Studio Display. Many users have found that after upgrading to Ventura, Monterey and even Big Sur, one or more of the external monitors they were using suddenly stopped working with their MacBook Pro, Mac Studio or Mac Mini. If you’ve have problems with external monitors not working on your Mac after upgrading to macOS Ventura, macOS Monterey or after buying an Apple Silicon M1/M2 Mac, here we show you how to get them working again.

How to turn off screen mirroring on mac big sur