Hi Folks,
just got a strange behavior on my Laptop. Last weekend I recognised, that the internal speakers weren’t working correctly. Everything else worked find. After a bit googling I found, that it could “Auto-Mute Modes” fault. Setting it to disabled had no effect.
So today I took a closer look at the settings in alsamixer. The problem was just a muted channel. Unmuted the speaker channel and *tada* there is sound again on my speaker:
amixer -c 0 sset Speaker on