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Mensagem original de: Michele Carlo ,

Título:

No startup chime/audio greyed out on late 2009 Mac mini?

Texto:

On my late 2009 Mac mini (Lion 10.7.4) the audio is randomly greyed out without any startup chime. In System Preferences/Sound/Output, no audio output device is shown.

What could be the problem?

dispositivo:

Mac mini Model A1283

Status:

open