Ubuntu 12.04 – Dell Vostro 3750 – No Sound When Headphones are Plugged in (Fixed)

Since installing Ubuntu 12.04 on my Dell Vostro 3750 I have had issues with no sound coming through my headphones.

I thought that I had resolved the issue in a previous blog post but recently the problem has resurfaced. I tired reverting to my original /usr/share/pulseaudio/alsa-mixer/paths/analog-output-headphones.conf file but this did not work.

It might have some bearing on the issue that I am dual booting with Windows 7 – but I am not sure that this is necessarily the problem.

When I run alsamixer (from the terminal) my speaker volume becomes muted when I plug in my headphones.

The headphone column state does not change at all.

My first stop when looking at this issue again was the Ubuntu Sound Troubleshooting Page. I looked at a few items after step 9 but I tried evrything up to step 9 to no avail. I mention this as I do not know if these steps impacted the current fix that I am using.

This bug report contains the fix that currently works for me. Open a Terminal and issue the following commands:

sudo nano /usr/share/pulseaudio/alsa-mixer/paths/analog-output-

Comment out the following line as shown:

#required-any = any

Save the file and then issue this command to restart pulseaudio:

pulseaudio -k

So far I have had no issues with this fix and I have rebooted and plugged and un-plugged my headphones – sound switches between the headphones and speaker just fine again.

5 thoughts on “Ubuntu 12.04 – Dell Vostro 3750 – No Sound When Headphones are Plugged in (Fixed)

  1. Thank you so much for documenting this. It helped me find the solution for the same headphone jack problem on an XPS 13 model 9360, running Debian (which I’m documenting here, because there’s no obvious place to put it, but Google will find it.)

    I ended up changing the file `/usr/share/pulseaudio/alsa-mixer/paths` , where I changed the line under ` [Element Headset Mic]` from `switch=mute` to `switch=unmute`.

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