Late 2012 iMAC sound stopped working after Catalina update

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Late 2012 iMAC sound stopped working after Catalina update

I just updated my late 2012 iMAC with the latest Catalina version and my sound stopped working. I do not see an internal output device in the Sound settings. The startup sound does work however.

Model Name: iMac

Model Identifier: iMac14,2

Processor Name: Quad-Core Intel Core i5

Processor Speed: 3.2 GHz

Number of Processors: 1

Total Number of Cores: 4

L2 Cache (per Core): 256 KB

L3 Cache: 6 MB

Memory: 32 GB

Boot ROM Version: 143.0.0.0.0

SMC Version (system): 2.15f7

Posted on Jun 12, 2020 6:48 AM

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Answer 1

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den.thed

Level 10

81,694 points

Jun 12, 2020 7:07 AM in response to OWG

Reset the SMC, as per > How to reset the SMC of your Mac - Apple Support

Reset the NVRAM, as per > Reset NVRAM or PRAM on your Mac - Apple Support

Startup holding the,

If those do not help Reinstall macOS, as per > How to reinstall macOS from macOS Recovery - Apple Support

Be sure that you have a good backup, just incase you need to Erase and Reinstall.

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Late 2012 iMAC sound stopped working after Catalina update

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