Ubuntu – No audio when plugging external monitor through HDMI

11.10external-monitorhdmisound

If I plug my external monitor through HDMI, I lose audio in my laptop. My external monitor doesn't have audio, so I want to keep the audio in the laptop's speakers. How can I do that?

Best Answer

Go to the sound menu at the top of the screen and click preferences. Alternatively, execute the command alsa-mixer. Under the output tab, see if there is an option in the dropdown for HDMI Output.

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Ubuntu 10.10 is somehow not really up-to-date which makes it a bit hard to confirm the default pulseaudio installation there. However it may be worth to see if you have the module-switch-on-port-available loaded.

In case it is there, then try to disable it by commenting out (#) the following line in your /etc/pulse/default.pa:

# load-module module-switch-on-port-available

After the next restart of the pulseaudio server (e.g. with pulseaudio -k in a terminal) we should no longer switch to a different audio port when this becomes available (e.g. by plugging in your HDMI cable).

Ubuntu – Lenovo dock HDMI audio external monitor

In this window click on Analog Stereo Output.
There would be option like HDMI+Analog Stereo Output(or Duplex).

Best Answer

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