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Q: No sound

I have an iMac OS X Yosemite that has been regularly updated,latest update to OS X El Capitan, an have lost sound from my internal speakers,I get the normal startup sounds and then nothing. System preferences for sound output show: Digital Out  Optical digital-out port with no options to change to Internal speakers   Built-in. How can I fix this ongoing problem?

iMac, OS X Yosemite (10.10.5)

Posted on Mar 8, 2016 7:29 PM

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Q: No sound

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