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Disabled built-in mic

Hi. I have a mac mini MC815BZ/A which has a built-in mic, but when I enter on garage band the program says that there are none "integrated MIDI in". Also, all the system doesn`t detect the presence of a integrated mic. But it's not all the problem: when I connect an external mic the system doesn't detect it. Is it possible that the hardware related to sound is broken? Or... Is it possible that the driver isn't working?

Posted on Jan 31, 2013 2:38 PM

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5 replies

Feb 1, 2013 10:42 AM in response to BDAqua

That's what is in "Applications > Utilities > Audio Midi Setup" (sorry, the language, but "entrada integrada" = built-in mic; "fonte" = source; "entrada de linha" = line-in; "principal" = main; "mudo" = mute; "saída integrada" = built-in line-out):

User uploaded file

At garage band preferences it says: "Estado do MIDI: 0 entrada(s) MIDI detectada(s)", id est, MIDI status: 0 line-in MIDI detected.

User uploaded file

Clearer now?

Feb 1, 2013 1:45 PM in response to BDAqua

BDAqua. Thank you very much for your concern about my problem, but I just solved it! Or better, an Apple technician helped me. It was just a misunderstanding. There is no built-in mic in a mac mini, but an audio-in ("entrada de áudio") and and audio-out ("saída de áudio").


User uploaded file


One cannot insert a simple microphone on the audio-in, but a mic with four stripes, like nokia's cellphones:


User uploaded file


Once you connect such a phone on the audio-out hole, you'll be able to both listen and speak throught the headset.

After that, my "Applications> Utilities > Audio midi setup" showed a new section called "microfone integrado", i.e. integrated mic:


User uploaded file

Hence, I was able to move "principal" to the right.


Besides that, I could not tet skype capturing my voice... But I think it's subject for a new topic.

Thank you very much for your help! 🙂

Disabled built-in mic

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