How do I set up a 2nd monitor? Do I just plug it in?



Do i need to install the ThunderboldtEX II/DUAL card that came with MB to do that? I'm not sure there is more than 1 HDMI port on MB.

 


But how do I plug them both in? I only have one HDMI port on MB. I have a mini display port but not sure I can plug the HD TV in there. Or can I?