Problem solved (At last!!).
Since I am not a Linux/Debian/Ubuntu matter, I can't give detailed
reasoning the cause-consequence relationship. But this is what I did
after hundreds of tries.
1. Update SOF firmware binaries.
Read this:
https://askubuntu.com/questions/1421513/22-04-lts-no-sound-inte
Thanks all for your contributions.
In my case, the only available kernels in grub are 5.19.0-35-generic and
5.19.0-38-generic.
Booting with both options have the same result: HDMI Audio is missing.
I've restarted the computer for weeks without any change.
Is there a safe way to install a previous
Public bug reported:
After months using the HDMI output without problems, it has stopped working
after a system update two days ago.
HDMI output is not listed in the list of available output devices.
Same computer works with this sound output perfectly when booting with Windows
or an older insta
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