On 2025-08-14, alain williams <addw@phcomp.co.uk> wrote: > Sound works when I boot from the live CD/memory-stick - debian-live-13.0.0-amd64-mate.iso > It does not work on the installed system. > On my box I always have to use the PulseAudio Volume Control widget to select the Built-In audio profile because if I don't it defaults to HDMI output, and I don't have an HDMI monitor.