Did you try another sound preferences manager? If you can change it from alsamixer maybe it's an issue with the system settings manager. Did you try a different sound preferences gui frontend?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/871633 Title: [IDT 92HD75B3] Line out does not mute internal speakers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/871633/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
