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I have no sound on my imac, with 12.04 from a clean install from CD. I have checked alsamixer and a number of other things. Still no sound.

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closed as unclear what you're asking by Braiam, guntbert, Eric Carvalho, Warren Hill, BuZZ-dEE Dec 5 '13 at 20:12

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question.If this question can be reworded to fit the rules in the help center, please edit the question.

"a couple of other things": please elaborate - else you might say "did this already" to many suggested steps. – guntbert Dec 4 '13 at 21:14
up vote 1 down vote accepted

This is what I did to fix it.

Open terminal

sudo gedit /etc/modprobe.d/modprobe.conf

A new file will be opened, write a line below then save.

options snd_hda_intel model=mb5

Close file Reboot the computer. After rebooting, speaker will show in a mute, adjust the sound preference and set "The selected device" to "Analog Stereo Output" or 'Analog Stereo Duplex'"

That was a direct quote from ubuntu forum.

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I tried for what seemed like ever to get the headphone sound to work on my iMac with 12.04 and 12.10. Nothing worked except recently:

upgraded to Linux Kernel 3.7.3.

All is working spiffy from the headphone jack now.

Hope this helps.


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On a mac mini:

  1. Sound settings
  2. Output tab
  3. Highlight Headphones. Adjust output volume.
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This question is about an iMac. Not a Mac mini. – Seth Dec 4 '13 at 2:20

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