I have a similar problem here on a MacBook Pro, see https://bugs.launchpad.net/ubuntu/+bug/328030.
-- New! Sound vanished from speakers. Sound from USB headset only. https://bugs.launchpad.net/bugs/328869 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
