It's the same here. There is no sound on my TravelMate 3012WTMi with latest Dapper's updates. lspci: 0000:00:1b.0 0403: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02) -- No sound on Inspiron 9400 with Dapper https://launchpad.net/malone/bugs/37287