elementary OS - external display sound issue
The audio output on external displays does not work automatically with elementary OS on Star Labs laptops. This guide will talk you through how to resolve this issue.
1 Install PulseAudio Volume Control
Open the elementary Applications menu and click on Terminal. Enter the below command:
sudo apt install pavucontrol
Enter your password when prompted.
2 Change the output profile
Open the elementary Applications menu and click on PulseAudio Volume Control.
Navigate to the configuration tab and change the profile dropdown to Digital Stereo (HDMI) Output + Analogue Stereo Input
3 Change the output device
Navigate to the Output Devices tab and change the port from Speakers to HDMI.
Note: If you want to close the lid whilst media continues to play, there should be a green tick above the port drop-down box to set as a fallback which should be clicked.