You should install linux-backports-modules-alsa-karmic-generic (then reboot).
** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete -- No Sound from Head phone Jack from Studio XPS 1645 https://bugs.launchpad.net/bugs/553002 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