Xubuntu 12.04 - sound not working

Steven Grace sgrace at pobox.com
Sat Sep 22 14:33:27 UTC 2012

On 09/22/2012 06:18 AM, Bill Stanley wrote:
> On 09/21/2012 11:27 PM, Steven Grace wrote:
>> On 09/21/2012 07:53 PM, Bill Stanley wrote:
>>>> On 09/21/2012 09:07 PM, Steven Grace wrote:
>>>> You can also run "Volume Control" from a terminal. Enter: pavucontrol
>>> I have that program under multimedia / "pulse audio volume control" and
>>> I ran that prior to asking the forum for help. The problem is that
>>> there are many options and I can't tell which is the right one. As far
>>> as I can tell, everything looks to be correct. Then again, it's hard to
>>> tell from this program. On the Output devices tab it shows:
>>> Port... HDMI / Display port it shows nothing on the drop down
>>> list for this item
>>> PCM is grey but also the check box for this item is enabled.
>>> Front Left and Front Right are grey but the slider is at 100%
>>> Built in Audio Analog stereo .. there is a green check mark here.
>>> Show: All output devices is selected. The other options are Hardware
>>> output devices and Virtual output devices.
>>> Like I said, the output of pavucontrol is hard to make sense of.
>> What devices are listed on the Configuration tab?
> Under configuration, it lists two devices (this probably is the problem).
> Number one:  GF116 High Definition Audio Controller
>               Profile: Digital Stereo (HDMI) output.
> Number two:  Built in Audio
>               Profile: Analog Stereo Duplex
> I think I am beginning to get a sense of what is going on.  Earlier this
> month I upgraded my video card.  At the time, I was not interested in
> the HDMI port that is on the card.  Now, when I use Xubuntu 12.04, there
> might be a conflict between the sound system that is on the motherboard
> and the new HDMI interface that is on the video card.  (My old video
> card did not have a HDMI port).  I'm not sure if this is the problem
> because when I turned the HDMI port off in the configuration tab,
> nothing happened.  Comments anybody?

You have the right idea. Have you rebooted since disabling the HDMI output?

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