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I've tried do undo this but not able to get it disabled. My sound settings need to be redone every boot up as well, but asking that question as well would get neg. feedback.

How to get microphone to work on acer aspire one 722

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  1. Open a terminal
  2. Run alsamixer (pictured in original question)
  3. Use left/right arrow keys to select "Auto Mut"
  4. Use up/down arrow keys to Disable Auto Mute
  5. ESC exits

To save settings try sudo alsactl store (untested)

Howto save AlsaMixer settings?

This fixed my sound problems with Ubuntu 12.10 on a ThinkPad x230

alsa version : cat /proc/asound/version

Advanced Linux Sound Architecture Driver Version 1.0.25

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I think it should be noted that you may have to scroll to the right to view (if Terminal is not maximized) the auto-mute option. I was scratching my head for a bit... Thanks, it worked! I am using Ubuntu 12.04 on a Lenovo Y510P. – Mr. Polywhirl May 7 '14 at 2:00

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