try opening the volume control and enabling 'surround' from the preferences if it exists (that worked for me). if that doesn't work, another bug mentions the sound might go the speakers if headphones are plugged in...
-- Alsa does not work on Fujitsu-Simens Lifebook C1410 https://launchpad.net/bugs/80215 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
