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 19, 2024 6:20 PM

Hey,


I discovered the problem and found a rather brute solution to it.


I opened Activity Monitor and waited for the screen flickering to happen. That’s when I noticed that the WallpaperImageExtension process was causing the wallpaper to restart—it was failing to find a wallpaper in its cache. You can confirm this yourself by opening Console from the Applications folder. Set the filter to "Errors and Faults" and search for WallpaperImageExtension. Every time the flickering happens, you'll see an error log pop up in the filtered list:



Since it wasn’t possible to stop or disable this service alone (because it’s a child process of com.apple.wallpaper), I had to stop the entire wallpaper service. This means no wallpaper at all, unfortunately.


Here’s how to disable it:


1- Boot your Mac in Recovery Mode by shutting down and then pressing the power button until the options page appears.

2- Open Terminal from the Utilities menu bar.

3- Disable System Integrity Protection (SIP) by running this command:

csrutil disable

4- Restart and boot normally, then open Terminal and run this command to unload the wallpaper service:

launchctl unload /System/Library/LaunchAgents/com.apple.wallpaper.plist


This will stop the wallpaper from restarting until your next reboot or whenever you want to use a wallpaper again.


Note: It's generally not recommended to disable SIP, but if this bug is driving you crazy, it’s worth doing for some peace of mind. To re-enable SIP, just reboot into Recovery Mode and run:

csrutil enable

However, be aware that once SIP is re-enabled, the wallpaper service will start again, and you won’t be able to stop it without repeating the process.


119 replies

Oct 3, 2024 8:53 AM in response to arunphoto

I appreciate that quite a few people have found your suggestion helpful. However, I do not think that this extension is so widely installed that it can ultimatly be the culprit. 🤔


Simply, in my opinion it appears that Apple is uninterested to address the simple fact that dynamic wallpapers/screensavers have been buggy since Sequoia on 8GB machines. iCloud integration into almost everything in the OS, plus the new widgets and iPhone mirroring all contribute to a slower/dumber OS.


They really have to sit down and figure out if they want their computers to be computers or hybrids between computer and iOS. As far as I am concerned, the attempt to bring iOS to MacOS makes the whole Mac experience ******** if it the OS is not stable/responsive as we have all come to expect from a Mac.


Sonoma in its current state is obviously laggy/buggy. Sure, once you get to work, everything works well for the most part. However over the course of a day or week, you'll simply see little signs that the OS is not refined on the m1 8GB machines and, by the looks of the comments in this thread, more advance Macs as well.


Also, M1 8GB Macs are way to new a computer to even tempt me to think I need to upgrade. Hence the frustration...


Splurging on a new Mac with 16GB is a ****** option when they push the 8GB variety of their computers so hard.


Hold managers that ok these releases more accountable!


🤓

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.

Sep 30, 2024 4:27 AM in response to fixthisforkuromi

It's quite embarrassing. I see number of similar reports since June 2024. How is it possible that it hasn't been fixed?


I'm experiencing this issue on a Mac Mini M2 through HDMI, and I'm not using the Mendeley web importer. It started happening just after I upgraded system, with custom wallpaper, but it's also occurring with the default Sequoia wallpaper and even with a solid background.

Oct 17, 2024 12:14 AM in response to fixthisforkuromi

Hello all,

Here the same in France on Macbook Air M2, everything was working like charm probably seems Sequoia update... Wallpaper's flickering alternatively when it wants or not. Menu bar and dock are not... this CAN'T be a cable issue at all.

Trying to update to public 15.1b4, will keep you informed of resolution or not.


P.S.: that's good to see that I'm not the only one having this issue...

Oct 22, 2024 2:18 AM in response to fixthisforkuromi

Are you running more than 1 monitor

I get the flicker every 9 minutes - it starts every time by magnifying the main monitor image, the second monitor then goes blank, the image than eventually returns correctly on the main monitor, then a second or two later, the second monitor comes back ( but on accessions does not, whereby I have to put the system to sleep, then wake it again, and the second monitor comes back).

I am this very moment, after updating to the latest (24B82), with my second monitor blank after "the flicker", and still blank even though I use the technique I just mentioned in the previous paragraph which worked on the previous version.

Oct 24, 2024 8:59 AM in response to fixthisforkuromi

Have the same issue here since installed OS 15.01

Also notice that the connection to any second monitor seems to be interrupted shortly as well. Even the wacom tablett (connected to the monitor) seems to be disconnected for a split second and shows a message when it reconnects. Strange: all windows in use seem to not effected (browser, photoshop, etc.) mainly the desktop seems to suffer from this bug.

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Mac Sequoia, Screen Flickering every few minutes

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