Enable the -proposed channel on a bionic machine without internal speaker
sudo apt-get update
sudo apt install pulseaudio
the version 1:11.1-1ubuntu7.10 is installed to the machine.
plug a headphone, and select the headset from the popup dialogue, the output device changes to headphone successfully and the sound could output from headphone.
Enable the -proposed channel on a bionic machine without internal speaker
sudo apt-get update
sudo apt install pulseaudio
the version 1:11.1-1ubuntu7.10 is installed to the machine.
plug a headphone, and select the headset from the popup dialogue, the output device changes to headphone successfully and the sound could output from headphone.
it fixes this issue.
Verified done.