I had booted into an old version of the kernel. I get the same problem with the current version which is 3.13.0-34-generic
> cat /proc/asound/version Advanced Linux Sound Architecture Driver Version k3.13.0-34-generic. I used alsamixer to change Input Source to "Read Mic" but the device is still not visible in Input tab -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1365769 Title: [G41MT-S2P, VIA VT2020, Pink Mic, Rear] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1365769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs