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We can use command pactl pactl - Control a running PulseAudio sound server on terminal first, list our available properties in our machine using this command: pactl list cards based on my hardware above, i set output:hdmi-stereo as my default profile using this command: pactl set-card-profile 0 output:hdmi-stereo if we want to set to internal ...


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This seems to be a limitation (bug?) of the current sound setting app. The current workaround is to install PulseAudio Volume Control from the AppCentre, and to select a HDMI configuration profile. References: Related Stackexchange Issue Related Github Issue


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I'm facting similar issues on HP Spectre x360. Loki worked great, but Juno is terrible. In response to Unable to disable built-in monitor, I have found a way to turn it off: Find out the display names: xrandr | grep conn | grep -v dis Disable the desired display: xrandr --output <display> --off On my machine, first command returned: eDP-1 ...


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