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Headphones not working after recent updates

asked 2014-02-05 04:51:27 -0500

Uwe_ gravatar image

updated 2014-09-29 19:26:55 -0500

mether gravatar image


since this morning my linux wont play any sounds on headphones. I tried some google-fu, but without result. Here's my alsa-info output:

I tried on Windows - everything works great.

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answered 2014-02-05 06:01:26 -0500

NickTux gravatar image

First, use alsamixer and see if the headphones are in mute mode. [MM]= mute. To umute , select the channel (navigate with left/right arrow keys) and click the M key on your keyboard. To increase/decrease volume, use up/down arrow keys. Exit from alsamixer with Esc key.

To invoke alsamixer, open a terminal and write


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If this doesn't help, install pavucontrol ( sudo yum install pavucontrol ) and try to control the device from there. See if it's muted or any other info.

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I was in alsamixer before, and I saw MM, but I didn't know that stands for "mute". I'll give it a try. Thanks!

Uwe_ gravatar imageUwe_ ( 2014-02-05 07:09:34 -0500 )edit

Thanks you very much, I choose pavucontrol and select Headphones (unplugged) as screenshot. It's working.

Phong Ca gravatar imagePhong Ca ( 2014-06-12 21:57:11 -0500 )edit

answered 2015-06-28 10:26:31 -0500

ImanGh gravatar image

I had the same problem, when I use headphone system Mute my Speaker channel automatically, I just use the following command to unmute the channel:

$ amixer -c0 sset 'Speaker+LO',0 100%

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answered 2015-06-26 06:56:08 -0500

sevku gravatar image

i have the same problem, but none of these solutions here solves the problem. i don't want to manually switch to earphones everytime i plug them in. does anyone here hve a soluton? I have a Lenovo B50-30 with Fedora 22.

I have created the following bugreport:

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Asked: 2014-02-05 04:51:27 -0500

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Last updated: Jun 26 '15