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I have tried everything from this question and this question and I have nothing. I have an asus K50IJ and I just can not seem to get head phones working solo.

According to lspci I have

00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)

I am running Ubuntu 10.10.

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Can you clarify what you mean by "working solo"? Thanks. – jrc03c Jan 12 '11 at 5:31
Same problem here. Any solution? I keep searching – gabitogol Jan 14 '11 at 16:48
this is a bug in alsa's HDA Intel driver - it needs some configuration options added to the conf file - if an alsa expert doesn't give you the flags I will try to dig them up for you. – RolandiXor Jan 14 '11 at 18:38
fortunately i'm not the only one... – user9088 Jan 18 '11 at 14:17

I have the same problem and I use a "simple hack" to solve this issue:

To listen to your headphones only, go to Sound Preferences --> Output and from the "Connector" dropdown Choose "Analog Headphones". When you want the sound back to your speaker go back and select the option "Analog Speakers".

(yes, I know it's stupid, but at least I can listen to my headphones without disturbing other persons in the room)

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I have tried this and it doesn't work. I actually get no sound then. – MrStatic Jan 14 '11 at 22:59

Perhaps a bit of thread necromancy, but an answer I found with my Ubuntu 10.10 system, with the joys of PulseAudio installed ..

The "Analog Headphones" setting didn't provide any sound anywhere for me, but I found that both ports were active when I selected "Analog Speakers". So now I just turn my speakers off and put the headphones on when I want headphones (Skype, etc). No auto switching, but it's workable for me!

(PS the AudioEngine A2s are surprisingly fantastic! :)

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You may want to try the steps on

It resolved the issue in my Acer Aspire One machine.

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Welcome to Ask Ubuntu! Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – Stefano Palazzo Feb 6 '12 at 13:00

I came here with the same problem, I use Ubuntu 11.10, and some hours ago, I installed Xfce to try it. When I went back to Unity and tryed listen to music, the speakers and headphones were working simultaneously. Then I remembered I had that problem some time ago, and I hardly remembered I fixed it removing PulseAudio and installing Alsamixer. In this case I already had installed alsamixer, then I went to the terminal and used the command alsamixer, then I press F6 to select the apropiate sound car, then move with the arrows until select Auto-Mute, it's very probably you will find it Disabled, just turn it to Enable and the problem will be fixed... Excuse for my bad English... I hope my answer help you.

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