On 03/03/2021 02:14, David Wright wrote: > On Wed 03 Mar 2021 at 04:57:59 (+0300), IL Ka wrote: >>> $ pacmd list-sinks >>> 2 sink(s) available. >> >> pulseaudio is aware of both of your soundcards (although one is physically >> muted). >> Which software reports "No output or input devices found"? >> >> Since both devices are connected via alsa driver, you may try to use "$ >> alsamixer", make sure it is not muted on alsa level, and then run "$ >> pavucontrol" and move the volume bar to see if it produces any sound. >> >> But I am not pulseaudio expert, so let's wait for someone who has more >> experience > > The OP has two sound cards, and the index 0 (usually the default) card > is the HDMI output, unlikely to be connected to the speakers. > > So try alsamixer -c 1 to use the other card. Then check for > muting (m toggles), and use arrows to navigate and change volume. > Depending on the source, you might need several turned up, eg > Master, Speaker, PCM, Line, CD, etc. > > I have little experience with pulseaudio so far. > > Cheers, > David. > >From the above I've tried both commands and received data that suggested that there are no devices. Installing pulseaudio reveals only a dummy device. Could it be that the devices are in some way ahead of the kernel, details below?
Linux 5.10.0-3-amd64 #1 SMP Debian 5.10.13-1 (2021-02-06) x86_64 GNU/Linux Thanks for all the help so far. Peter HB