The following "collection of user field explorations" could be related to the problem. Worth to take a look.
http://ubuntuforums.org/showthread.php?t=506515 -- Internal mic does not work in intel audio, dell precision m20 https://bugs.launchpad.net/bugs/46939 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
