If turning the device off and on does not reset your device properly you may need to preform a computer reset. In order to do this you must download Leapfrog connect to your computer. Then, put your device in "connection needed mode" by holding down the right D-pad button and the home button while simultaneously turning on the device. Than, plug the LeapPad into the computer and it should begin to sync. Once the LeapPad syncs to the computer, it should boot up normally.