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Old 08-25-2011, 02:02 PM   #1
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Front headphones output is not working.

This week I installed ubuntu11.4. after that, my computers front headphones output is not working. Is it related to some settings?
Old 08-26-2011, 06:55 AM   #2
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Open a console and run alsamixer and check your audio controls, especially any on/off switches. You might have to install alsamixer, I am not sure Ubuntu installs it by default.


Last edited by jlinkels; 08-29-2011 at 09:06 PM.
Old 08-29-2011, 04:17 PM   #3
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ALSA has a setup for your hardware. It tries to autodetect and init settings, but this is not always correct. Double check the /etc config against what hardware you think is there.
Mixers are a particular problem. The mixer detection seems to change with each update, so check the latest ALSA, regardless of how new your distribution.
There is an ALSA forum.


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