[PLUG] I'm trying to get sound through my headphones.

[Bill Barry]

On Wed, Nov 4, 2015 at 8:22 PM, Genaro Hernandez <genaro at pdx.edu> wrote:

> I forgot to include the second link I mentioned:
> http://ubuntuforums.org/showthread.php?t=2038440
>
> On Wed, Nov 4, 2015 at 8:21 PM, Genaro Hernandez <genaro at pdx.edu> wrote:
>
> > Hi everyone.
> >
> > I recently installed Ubuntu 12.04 on an old MacBook. Everything seems
> fine
> > except I can't get sound through my headphones. I can only hear audio
> > through my built-in speakers. Whenever I plug in my headphones, there is
> no
> > sound and there is a red light that glows from the jack.
> >
> > I've searched for a solution online but so far nothing has worked. This
> > link describes the exact problem but their solution for modifying the
> file
> > /etc/modprobe.d/alsa-base.conf did not work for me:
> >
> http://www.upubuntu.com/2012/04/headphones-not-working-no-sound-under.html
> .
> > This other link also describes a solution by modifying the alsamixer.
> > However, I do not see a headphone jack listed in the alsamixer.
> >
> > Does anyone have any suggestion(s) for me? Do you think that upgrading to
> > a newer version of Ubuntu would fix the problem?
>
The alsamixer solution should work. After you start alsamixer hit F6 then
choose the right sound device. If all is well the Headphone control will
show up and you can maneuver to it, hit m for mute/unmute, increase it's
volume and it will be working. I have to do this every time I reboot.

Bill