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No sound on HDMI Ubuntu 20.04 - Ask Ubuntu
https://askubuntu.com/questions/1256043/no-sound-on-hdmi-ubuntu-20-04
Overall the system is working fine, but I'm having a big issue with HDMI Audio. The display on HDMI works just perfectly, but the audio is not working at all. I tried lots of solutions here on Ask Ubuntu, but the problem remains. Some of the solutions I tried are located in the following links: HDMI sound not working after upgrading to 20.04.
Fix No Sound Through HDMI In External Monitor In Ubuntu ...
https://itsfoss.com/how-to-fix-no-sound-through-hdmi-in-external-monitor-in-ubuntu/
Fix no audio through HDMI in Ubuntu Solution 1: Change default sound setting. I saw a number of forum posts with trouble on the audio problem in extended monitor in Ubuntu. Thankfully this problem was not complex, at least in this case with Ubuntu 12.04. The reason in my case was that the default sound setting was “built-in speaker audio”.
18.04 - Ubuntu 19.04 and HDMI sound problem - Ask …
https://askubuntu.com/questions/1149599/ubuntu-19-04-and-hdmi-sound-problem
when viewing the sound devices, only built-in sound device are found/listed, no HDMI sound device found/listed. then I found it is not only live CD's problem, because I did a fresh installation as well, and the symptom is the same. Note that previous iterations of Ubuntu MATE worked well, and if I switch back to 18.04, then everything is fine ...
sound - Ubuntu refuses to output audio via HDMI - Ask …
https://askubuntu.com/questions/112512/ubuntu-refuses-to-output-audio-via-hdmi
Show activity on this post. With the HDMI cable plugged in, run the following utility: speaker-test --channels 2 --rate 48000 --device hw:0,3. (for others, the hw:x,y is x = card, y = device) This just runs a sound test with static bouncing back and forth. Once it has played out of each speaker, hit Ctrl+c to stop it, and then check in your ...
sound - No audio over USBC to HDMI on Ubuntu 18.04 - …
https://askubuntu.com/questions/1220494/no-audio-over-usbc-to-hdmi-on-ubuntu-18-04
Show activity on this post. I have a problem with audio using a USB-C to HDMI connection from my Dell XPS15 7590 on Ubuntu 18.04. I have an ASUS VP28UQGL external monitor to which I am connecting my laptop and an Apple TV. The monitor has an audio output, so I connected my speakers to it in order to have audio for both devices easily through HDMI.
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