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I have a MacBook Air 2014 with macOS Big Sur. Shutting it down takes over a minute! Only when being logged in though. If I shut it down before logging in right in the login screen it just takes a few seconds to turn off.

Is this normal? If not, is there something I can do to speed up the shut down process? I've tried to switch off all iCloud synchronizations, to no effect. Shut down still takes forever.

Update: The dock and the menu bar go away immediatly, but the backgound picture is visible till the end. The spinner appears after about 10 seconds.

When I log out first: The log out is reasonaly fast, but when I then click on shut down there is a blank screen with a spinner for about a minute before it turns off.

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  • How long does shutdown take if you logout first?
    – lhf
    Commented Oct 27, 2021 at 20:07
  • And to add onto that, which steps take a while. Do you still see the dock and menu bar while it's doing this or do you just see a blank screen with a spinner.
    – Ezekiel
    Commented Oct 27, 2021 at 20:12
  • I've updated my question.
    – user1785730
    Commented Oct 27, 2021 at 20:36
  • It is one or two apps being slow to shutdown - all you can do is try the shutdown with different apps open
    – mmmmmm
    Commented Oct 27, 2021 at 21:16
  • All apps are closed. Not just minimized, but actually cmd-Q closed.
    – user1785730
    Commented Oct 27, 2021 at 21:24

1 Answer 1

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The comment from @DavidSupportsMonica to try safe mode brought me on the right track. The problem did not occur with safe mode. As suggested here, I created a new user account with which the problem also did not occur.

Fortunately I remembered having registered jack to be started at boot, which turned out to be the culprit: jack simply won't stop. I guess at some point the shut down process reaches a timeout and just turns the machine off.

I've created an issue with brew-services.

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  • So quitting or killing jack before logout solves the problem?
    – lhf
    Commented Oct 28, 2021 at 1:17
  • I don't know how to properly quit jack. But starting jack in the second account I created, which initially did not show the behavior, did reproduce the problem.
    – user1785730
    Commented Oct 28, 2021 at 1:31

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