you have to post the output of alsa-info.sh when you are using latest always driver
http://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=ea9b43addc4d90ca5b029f47f85ca152320a1e8d ALSA: hda - Fix broken workaround for HDMI/SPDIF conflicts HDMI devices will be put to dev=0,index=0 as before. Only the conflicting SPDIF device is moved to a different place. The new place of SPDIF device is supposed by the updated alsa-lib HDA-Intel.conf, respectively. send email to the author and the reporters of the above patch and nvidia dev if you can not use HDMI or spdif for the case which your HDMI did not appear in sound preference , you need to file a bug https://bugs.freedesktop.org/enter_bug.cgi?product=PulseAudio i -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1249705 Title: HDMI output not available in 13.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1249705/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs