OS27 Screen Savers not working

Is anyone having issues after the OS27 upgrade... The screen saver does not retain the location it is pointed to? I have deleted the relevant files and re set it up. Still not working. Black box with an X in it on the desktop set up page, even after multiple attempts to point it.

MacBook Pro 14″, macOS 27.0

Posted on Sep 19, 2026 10:52 AM

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4 replies

Sep 25, 2026 9:38 AM in response to jonathan45

Circling back to this, in responding to this post I selected the Golden Gate screensaver, which macOS downloaded. Afterwards, I set it back to my usual setting of a Photos album. I found that the setting did not 'stick' but would sometimes re-set itself to Golden Gate. In particular, if I manually started the screensaver with a hot corner, it used my photos but if I let it time out to the screensaver, it would use the Golden Gate screensaver. After a couple of days of fiddling with that, I ended up just deleting the Golden Gate screensavers (light and dark versions) that were downloaded (located in ~/Library/Application Support/com.apple.wallpaper/aerials/videos/). With those gone, my photos are used for both manually and time-out activated screensaver.


Bugs can be reported to Apple here:

Feedback - macOS - Apple

Sep 19, 2026 11:13 AM in response to jonathan45

Sorry, it's unclear to me what you are describing. To select a screen saver, go to System Settings > Wallpaper and click the Screen Saver button.



You can select a wide range of options in that settings pane.


More info: Change Screen Saver settings on Mac - Apple Support


Personally, I use my own photos in one of the albums in my Photos app:



However, I can also set it to any of the other options, for example the new Golden Gate screen saver, and that works fine.


If things are not working as expected, then have you rebooted your Mac? If not, that's the first step. If that does not help, then see if the problem is present when you boot in safe mode. That process performs some system cleanup and clears caches, and also disables 3rd party extensions that may cause problems.

 

Start up your Mac in safe mode - Apple Support


If that does not correct the issue, test in a new user account. A newly-created user account will have all settings at default, and if the issue does not occur in that new account then it provides guidance on what may need to be changed to correct the issue.

 

Add a user or group on Mac - Apple Support

 

Once the testing is complete, the new account can easily be deleted.

 

Delete a user or group on Mac – Apple Support


Those steps will help to isolate the problem.


It might help to download and run EtreCheck, written by a long-time forum member. The free version is fine. Post the full report using the Additional Text button. No personal information is revealed. 


Oct 2, 2026 10:47 AM in response to jonathan45

I have the same problem, forgetting the settings, defaulting to the golden gate (which can take huge RAM, another issue). Also not rendering the settings boxes I need to change it back. Weird, a black screen rather than the photo options shown above.

I'll try deleting the videos to make the system run more smoothly, a good idea.

OS27 Screen Savers not working

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