There have been some sound fixes in recent kernel updates.
Could you please update your system and let us know if the problem still exists.
System > Administration > Update Manager
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
--
microphone not working but audio output is working in DELL vostro
https://bugs.launchpad.net/bugs/486026
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
