Kernel 184.108.40.206 broke HDMI audio output
Simply, I removed the kernel concerned and back to the previous kernel. sudo apt --purge remove linux-headers-5.19.0-35 linux-headers-5.19.0-35-generic linux-image-5.19.0-35-generic linux-modules-5.19....
Ubuntu 22.04 audio output not working (dummy audio) - No fixes found online solve this
The 5.19.0-35 kernel has known problem with hdmi audio. Drop back to an older kernel in the initial grub menu (under advanced...). Try the next kernel update to see if the problem has been fixed.
HDMI on AMD video card doesn't work with sound on Ubuntu 22.10
I had the same issue with a Radeon RX 6400 hooked up to a TV. Sound was working yesterday, and is broken today. I think it is due to a kernel update. When booting with the newest kernel installed (5....
HDMI audio not detected after update for AMD Graphics
Seems like an issue with 5.15.0-35 kernel, the problem went away with 5.15.0-67 kernel
Only top scored, non community-wiki answers of a minimum length are eligible