Had same problem on Thinkpad W520, Oneiric 64-bit, MiniDock 3 and found this post: http://ubuntuforums.org/showthread.php?t=1043568
Adding the line 'options snd-hda-intel model=thinkpad' to the end of /etc/modprobe.d/alsa-base.conf then rebooting seemed to fix the problem for me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/893611 Title: ThinkPad Mini Dock Series 3 problem with Audio output To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/893611/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs