I don't know if this will fix your problem, but try installing the 'linux-backports-modules-alsa-karmic-generic' package and reboot.
-- No sound after clean install of Karmic https://bugs.launchpad.net/bugs/470463 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
