Can you please provide the output of: /usr/bin/amixer info
and /sbin/lsmod | grep snd ** Summary changed: - Dapper issues with sound + Compaq Presario M2000 sound problem ** Changed in: Ubuntu Sourcepackagename: None => linux-source-2.6.15 Status: Unconfirmed => Needs Info -- Compaq Presario M2000 sound problem https://launchpad.net/bugs/56425 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs