I have read several threads but i am still confuse

, i have done all the updates,reimage the cRio and download a program "the tank drive example" and when it downloads we get the massage that we have a code but the light on the jaguars are still blinking after we enable the robot and when we move the joysticks nothing happend. We are using the croosover cable and everything on the drive station shows that we have the joystics and the E-button conected.
Can any one help me
Thank you