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Mac Sequoia, Screen Flickering every few minutes

Hello, I currently have a m1 macbook 2020, everything else on my mac is working except that my wallpaper keeps flickering every few minutes.

MacBook Air 13″, macOS 15.0

Posted on Sep 18, 2024 5:00 PM

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Posted on Oct 4, 2024 3:00 AM

Thanks for the note. But mine, official 15.0.1, still definitely have the screen flickering issue (on a dark grey solid color background).

103 replies

Oct 15, 2024 7:30 AM in response to joshwillits

Are you sure this is the same issue? In my experience, this is purely a cosmetic problem. The background is flickering; however, nothing is happening with open apps, including Finder, in any negative way.


Losing external monitors for a few seconds and experiencing screen blips during zoom meetings seems more like a hardware issue to me. Can you try using a different port on your MacBook (like USB-C or Thunderbolt), or test a different monitor using HDMI (even a TV)?


P.S. I have a feeling that a few days after the 15.0.1 upgrade, things improved significantly with the background flickering. It's interesting because I remember it flickering right after the upgrade, which left me a bit disappointed.

Oct 5, 2024 9:15 AM in response to fixthisforkuromi

I had same problem since updating to Sequoia yesterday. I called apple support. What seems to have fixed the problem (at least for now):


Start up your computer in Safe Mode. If you do not have the flickering while in Safe Mode, it is a software problem. That is what they told me. If that is the case the next step is to reinstall Sequoia. See the link with the steps for starting up in Safe Mode and for reinstalling Sequoia. They told me I had to do the safe mode thing FIRST. The first time I called, the person asked me to re-install, but did not ask me to start up in safe mode. That did not work. I called again and the other person told me I had to start in safe mode first, and then reinstall. It has been about two hours that I have done these two steps and so far no flickering or flashing or sliding the screen from right to left.


1) Start up your Mac in safe mode - Apple Support

2)Start up your Mac in safe mode - Apple Support

Mac Sequoia, Screen Flickering every few minutes

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