Enable HP Pavilion HDMI for Ubuntu

1. 額外的驅動程式，click 430
2. 輸入 security password
3. reboot
4. enroll emks ( something like this ?),  DO NOT just click continue, Have to enroll first ！
5. reboot
6. HDMI should be ok.
7. check if the module is enabled by issuing:
   lsmod | grep nvidia
   or
   run nvidia-settings