Check the bug 229330. I had/still have the same problem, but got a workaround. Not sure if it will work for you, but you can try to mute the front channel in the volume control ( do not lower the volume, the headphones still depend on that volume level, just mute it). For me, that mutes the speakers, but not the headphones. Cheers
-- laptop speakers not muted when pluging in headset https://bugs.launchpad.net/bugs/359678 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