have you checked you alsamixer? commandline fill in alsamixer and check if the micro line out is at a minimum
"stef...@ubuntu-desktop:~$ alsamixer" -- Microphone port does not work (Dell Vostro 1520) https://bugs.launchpad.net/bugs/598228 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
