Maybe this can help: Yesterday, after dist-upgrade my system (with a similar Intel hardware) the sound stopped to work. Today unchecking the two "Analog Loopback" checkboxes in the gnome volume applet, the sound works again.
Some similar comments in: https://bugzilla.redhat.com/show_bug.cgi?id=496006 ** Bug watch added: Red Hat Bugzilla #496006 https://bugzilla.redhat.com/show_bug.cgi?id=496006 -- No sound in jaunty with Intel 82801I (ICH9 Family) HD Audio Controller https://bugs.launchpad.net/bugs/395318 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
