Not related to xfce4-mixer, probably the sound is muted by default, I don't know why.
** Package changed: xfce4-mixer (Ubuntu) => ubuntu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/759998 Title: cannot hear the sound -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
