Here is one post that helped me in the past with Xfce. You may have to set a default 'sink' for sound output.I assume you've done that since it's mentioned in one of the links you posted. your sound devices may be muted by default - run alsamixer and make sure all sound devices are unmuted.In the Settings -> Sound -> Output -> Output Device I have just two options to choose from:Īnd in both of them all the options with HDMI are displayed with (unplugged)(unavailable).įinally, the sound just works in my laptop, if I connect HDMI cable it display correctly but the sound keeps on my laptop. When I run aplay -l I have these results: HDMI worked perfectly when I used Windows 10 before replacing it with Ubuntu. Ubuntu 18.04: Audio doesn't work unless I switch between outputsĪlso I've downloaded Ubuntu 20.04 iso again and reinstalled the system, but it doesn't work. HDMI sound not working after upgrading to 20.04 Some of the solutions I tried are located in the following links: I tried lots of solutions here on Ask Ubuntu, but the problem remains. The display on HDMI works just perfectly, but the audio is not working at all. Overall the system is working fine, but I'm having a big issue with HDMI Audio. Audio: GF108 High Definition Audio Controller NVIDIAĪnd Audio 5 Series/3400 Series Chipset High Definition Audio. I just installed Ubuntu 20.04 on my laptop which is a bit outdated:
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