are you trying to have shared screens, or cloned screens?
ie: do you want to see 2 different things or the same thing on both screens?
if you are okay with the same thing on both screens....
buy this
http://www.amazon.com/HDMI-Splitter-.../dp/B000FMJLQC
and this
http://www.amazon.com/Cables-Unlimit...0299995&sr=1-4
also....do you have a video card, or is it onboard video?