Yes, please check if this could be a single hardware failure. If not, try going back to the pre-install image to verify that the internal mic works there.
If it does, please attach alsa-info for 1) the OEM image (where recording works), and 2) with the trusty 3.12 kernel installed. Thanks! ** Changed in: linux-lts-raring (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1250046 Title: [Dell Latitude E6440] Internal microphone is not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-raring/+bug/1250046/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs