I had the same thing happen to me. The larger black top piece (containing the boards) has and input for a half inch long data cable. The data (ribbon) cable is on the piece below. Make sure to insert the data cable into the slot. It's important to close the flap on the slot for the cable to work. Be patient and you can do it. My 10 year old son was persistent and did it on the 3rd try. Good luck!