Updated Mac Mini to Sierra - no sound

After update to Sierra my sound doesn't work internal speaker or headphones.  However, I can send her out to airplay, and the sound from my HDMI.  So I know that my sound is not working.

I can do the headphones work, when I unplug the HDMI.  However, selection of helmets in results in no output sound settings.

Note: I tried all settings (for example the helmet as selection, airplay, HDMI, etc.).  I unplugged the HDMI, started to work in the sound, and then plugged headphones in HDMI and headsets leave to new and no setting will restore the sound in the headphones.  I even deleted the sound configuration files, played with the bits, MIDI and other parameters.

Dave

Hello David,.

Thanks for this info and choosing the communities Support from Apple. I know how to get sound on your Mac Mini works correctly again is important to you! The good news is these steps will be useful in resolving your problem of sound from the headphones and speaker plug internal and get your Mac Mini is working again!

1. start by reseting the "non-volatile random - access memory" or NVRAM on your Mac, because who does not control the speaker volume and related info.

How to reset the NVRAM on your Mac.

2. you can figure out if unexpected behavior is related to a user or by setting file trying to reproduce the problem to a different user account. This process includes creating a new user account, connect to it and test for the issue.

How to test a question in another account on your Mac.

See you soon!

Tags: Mac OS & System Software

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