Zotac zBox HD-ID11

After trying to get hdmi to work for the last 30 minutes, you can do the following Change it to the deafult card you can update /usr/share/alsa/alsa.conf and change these lines: defaults.ctl.card 0 defaults.pcm.card 0 defaults.pcm.device 0 to this: defaults.ctl.card NVidia defaults.pcm.card Nvidia defaults.pcm.device 7 Once the machine reboot check that the configs are correct in gnome mixer and it should just work.