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[Guy <1302090@xxxxxxxxxxxxxxxxxx>]

Hi,

I did the instructions in #30 (Pietro) but I had to choose the option "install boot override" with "apply now" the device was allways occupied. 
Anyway, now it showing the same in alsamixer as #31 (cesar) but to get the subwoofer working I have to plug the headphones into one of the two (headphone or headset) connectors. As soon as I remove them I loose the subwoofer !

What I'm doing wrong ?

I'm on Ubuntu server + xfce4 with his mixer (alsa) which shows also a
setting switches > "speaker" that enable/disable de front speaker.

Thank you for any help.

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https://bugs.launchpad.net/bugs/1302090

Title:
  Dell Alienware 14, Speaker sound output is mono until a headphone jack
  is plugged

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  Here's the required release and package information:

      Description:    Ubuntu Trusty Tahr (development branch)
      Release:        14.04

      Package: linux-image-extra-3.13.0-19-generic
      Version: 3.13.0-19.40

  When playing audio through speakers on my Alienware 14 2014, the sound
  output is in mono until I plug a headphone in any of the two available
  headphone jacks (obviously, the auto-mute option must be disabled).
  When I do so, the sound starts to play in stereo.

  I would love the sound output to be stereo by default and not be
  forced to plug anything to achieve that.

  Attached is the alsa-info.sh output for my machine.

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