Intel8x0 does not support mono playback, the mono pin is a downmix of the stereo to mono speaker
if your note book did not use the mono pin , you need to remove the mono playback volume from the driver or you remove the mono path in pulseaudio conf http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src/modules/alsa/mixer /profile-sets?id=9e4229cfe03d441a01a0f1bd02972936048ae85d analog-output-mono;output-amplifier-on: Analoge Mono-Ausgabe / Verstärker (priority 5010, latency offset 0 usec, available: unknown) properties: analog-output-mono;output-amplifier-off: Analoge Mono-Ausgabe / Kein Verstärker (priority 5000, latency offset 0 usec, available: unknown) properties: -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1203052 Title: [ICH4 - Intel 82801DB-ICH4, playback] No sound at all after upgrade to Raring (13.04) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1203052/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
