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cannot hear sound on Mac

Yesterday, in the middle of a Zoom conference, my sound stopped working.

I looked at my sound setting and see iMac Speakers and External Headphones, but no Internal Speakers. I changed the setting to External Headphones and plugged headphones into the computer, but still cannot hear the sound. How can I get the sound to work on my computer?


I am running OS Big Sur (11.2.1) on iMac (Retina 5K, 27-inch, 2020)

iMac 27″, OS X 10.10

Posted on Feb 16, 2021 5:42 PM

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Posted on Feb 16, 2021 5:59 PM

I hate to ask the next question. Have you rebooted or logged out?


What have you tried to make sounds with? play a song or something else. I've noticed a couple of time that YouTube is suddenly instantly completing videos and I get no sound when that happens, A reboot or logout seems to solve the issue.


Paul

6 replies
Question marked as Top-ranking reply

Feb 16, 2021 5:59 PM in response to ozone

I hate to ask the next question. Have you rebooted or logged out?


What have you tried to make sounds with? play a song or something else. I've noticed a couple of time that YouTube is suddenly instantly completing videos and I get no sound when that happens, A reboot or logout seems to solve the issue.


Paul

Feb 16, 2021 5:48 PM in response to ozone

ozone, can you provide a screen capture of your sound preference pane? Your iMac speakers are the internal speakers. At the bottom of the sound preference pane there is a output volume slider and a mute check, I'm assuming that your have adjusted both? Try checking and unchecking the mute checkbox.


Also what are the audio settings in zoom at the moment?


I hope this helps.


Paul

cannot hear sound on Mac

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