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Audio problem - No sound - Mac Mini - Apple Community

    https://discussions.apple.com/thread/2726750
    System Profiler lists "No Built-in Audio" (when working OK, the list says "Intel High Definition Audio, Device ID 0x83847680, Audio ID 8, Speaker Connection: Internal, etc.). 3, External Logitech speakers plugged in, no sound.

SOLVED: No input/output Audio Devices - MacBook …

    https://www.ifixit.com/Answers/View/104859/No+input-output+Audio+Devices
    System Profiler shows Audio (Built-in): Intel High Definition Audio: Audio ID - 0, no input/output Audio Devices. I fixed the hard drive access permission , did the reset for both pram and smc several times and finally installed a clear copy of mac OS after deleting the HD, but unfortunately ended with no success.

No sound except the startup chime | MacRumors Forums

    https://forums.macrumors.com/threads/no-sound-except-the-startup-chime.308020/
    Go to system preferences --> hardware --> sound --> select "output" --> in the "TYPE" frame, select "built-in output" It solved the issue immediately; hope this helps. Cheers..Raj

iMac G5 not picking up internal speakers - Mac Support

    https://macosx.com/threads/imac-g5-not-picking-up-internal-speakers.292714/
    In the System Profiler it says 'No Built in audio' I have tried pressing alt+command+o+f in startup then typing "reset-all" and alt+command+p+r and count 3 chimes. This had no effect.

Using System Profiler in Terminal – [ Moschos on-line ]

    https://www.koupoukis.gr/computer/apple/using-system-profiler-in-terminal/
    The command line version of System Profiler is system_profiler. With man system_profiler you get a list of all the many things it can do. With system_profiler -xml will export everything to an XML file. Here a sample from my system. MKs-iMac: ~ moschos$ system_profiler Hardware: Hardware Overview: Model Name: iMac Model Identifier: iMac8,1 ...

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