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sadiebugs Author

Level 1

4 points

Sound - 'no devices found'

Sound unexpectedly stopped working. Only change is that I upgraded Zoom app and after installation, the computer restarted. See screenshot below. Same message for Input.

iMac 21.5″, macOS 10.13

Posted on Mar 3, 2021 2:33 PM

Top-ranking reply

BDAqua

Level 10

244,949 points

Posted on Mar 3, 2021 2:48 PM

Safe Boot, (holding Shift key down at startup), does the problem occur in Safe Mode? Could take 10 minutes.

Safe mode attempts to repair Disks & clears lots of caches & loads safe Drivers, & prevents loading of 3rd party extensions, so if Safe Mode works try again in regular boot.

Have you done a PRAM reset, CMD+Option+p+r...

http://support.apple.com/kb/HT1379

In fact, do 3 in a row, takes a bit of time.

Intel-based Macs: Resetting the System Management Controller (SMC)...

http://support.apple.com/kb/HT3964

https://support.apple.com/en-us/HT201295

Or reinstall

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Sound - 'no devices found'

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