alt tab program switch is missing in macOS Sonoma

I cannot alt-tab between programs in Sonama

MacBook Pro 16″, macOS 14.0

Posted on Sep 30, 2023 2:09 PM

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Question marked as Top-ranking reply

Posted on Oct 1, 2023 10:36 PM

Can I ask if you are plugged into an external monitor when you were experiencing the failure of Cmd-Tab fast switching?


I've recently experienced a similar issue where the Cmd-Tab carousel doesn't appear but the actual Cmd-Tab switching is still working, there's just nothing to help you identify it is until you see it switch to something else after releasing.


I found that unplugging and replugging in the monitor (USB-C connected) must have forced a restart of the display drivers that then brought the carousel back on the screen when I hit Cmd-Tab.


I've flagged this with Apple Support, so I'd be interested if my experience and resolution is similar to yours so I can feed back.


12 replies
Question marked as Top-ranking reply

Oct 1, 2023 10:36 PM in response to Toadovision2

Can I ask if you are plugged into an external monitor when you were experiencing the failure of Cmd-Tab fast switching?


I've recently experienced a similar issue where the Cmd-Tab carousel doesn't appear but the actual Cmd-Tab switching is still working, there's just nothing to help you identify it is until you see it switch to something else after releasing.


I found that unplugging and replugging in the monitor (USB-C connected) must have forced a restart of the display drivers that then brought the carousel back on the screen when I hit Cmd-Tab.


I've flagged this with Apple Support, so I'd be interested if my experience and resolution is similar to yours so I can feed back.


Oct 2, 2023 2:18 PM in response to Toadovision2

Thanks.


reboots would correct it for me as well but when starting to do some root cause analysis I identified that also unplugging the external monitor and replugging it back in would correct the issue.


my assumption is for my issue that it is a problem with the display drivers and either rebooting or re-plugging the monitor into the MacBook causes a reload of the drivers and restores expected behaviour.


Can I ask if you have an external monitor and this happens to you again, try plugging it in and see if it restores behaviour for you. Can then try and help Apple isolate the cause.

Oct 3, 2023 2:24 AM in response to TracerB

I'm sorry but at the moment I don't have easy access to a monitor, they are all plugged into a workstation which is in use. I can try later and let you know.


However I have just found another Sonoma delight. Without using stage manager my HD and any connected drives have gone from my desktop. I do find change for the sake of change a needless waste of time. Oh well, I'm sure I'll sort it eventually.

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alt tab program switch is missing in macOS Sonoma

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