To restart nextbook you hold the volume down button and power at the same time. It will take you to the first step recovery screen. Using the volume key to navigate choices the power button to select. You will see a no command screen. Hold volume up and power button until screen flashes into recovery screen. Again use volume key to select data wipe and power to select. Navigate to yes and hit power button o 've more and the hard reset will began. Go back and see it should be on reboot using power button once more select and your done. This is for Next book Area 8 tablet.