Ok, now please unmute 'Headphone Jack Sense' (reset it to 'on'), mute 'External Amplifier', and set 'Mono Output Select' to 'Mix'.
-- no sound in any device https://launchpad.net/bugs/69792 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
