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intermittent clock ticking sounds on iMac

I can't figure out what is causing the clicking sound while my iMac is sleeping. It goes on for on for a short while and stops. But in a few minutes it starts again. System is running latest updates, using Nord VPN and Malwarebytes. I am using time machine but it is solid state drive.

iMac 24″, macOS 12.6

Posted on Sep 25, 2022 6:35 PM

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Question marked as Top-ranking reply

Posted on Sep 25, 2022 6:50 PM

What year model is your iMac and what macOS is it running?

see > Identify your iMac model - Apple Support


As a test, try the following Energy Saver settings



then sleep or shutdown from the Apple dropdown menu at night.

2 replies

intermittent clock ticking sounds on iMac

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