Resetting the radio is necessary after a competition, since it gets locked for security.
Did you follow the
Instructions for Home Use?
Did you reset your radio using the recessed button on the back of the case?
Did you browse to the radio and change the default settings to match your robot?
Can you see the radio broadcast SSID from your laptop?
Is your laptop 2.4GHz/5 GHz compatible? Matching settings of the radio?