Weird Render Problem PLEASE HELP!

I set up a simple scene in blender to try out some new materials in cycles. I got the 3d model off of blendswap.
I have a 3-point lighting setup and all the scene/render settings look fine. When I enter rendered view, I see what is rendering and everything seems cool…but when I render it, all I get is black. I checked and tweaked my render settings a billion times and I just get the same result. It doesn’t do this for any other .blend I have, can anybody help find the solution to this?

my lighting setup:


rendered view:

Difficult to give a clear answer with such a miniscule amount of useful info to go on. First thing check the outliner window and render layers to check you are rendering what you want to render

You may want to check the node-editor. If Images are not connected to composite output, black is all you see.