Have you tried experimenting with different model keywords in /etc/modprobe.d/alsa-base.conf ?
STAC92HD71B* ============ ref Reference board dell-m4-1 Dell desktops dell-m4-2 Dell desktops dell-m4-3 Dell desktops hp-m4 HP mini 1000 hp-dv5 HP dv series hp-hdx HP HDX series hp-dv4-1222nr HP dv4-1222nr (with LED support) auto BIOS setup (default) -- In Karmic Beta no sound with intel 82801i (ICH9 Family) https://bugs.launchpad.net/bugs/442470 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs