The document entitled "Getting Started with your 2012 Control System" located
here goes step by step on configuring your Control System.
I assume you are somewhere on page 25 but you should go through this document and verify every step has been performed. Also, while you can use one of the Example Projects (on the Labview Splash Screen click Support and then click "Find FRC Examples" the Default Project has code in it already to control a simple drive-train, to help new teams get started. Which this document references.