If your screen is frozen you may need perform a hard reset on your device in order for it to be functional again. If your system is still frozen, you may try using the hardware reset pinhole on your tablet, to see if it will allow your system to boot. Please follow the hard reset instructions. 1) Press and hold the power button and volume + button until it vibrates 2) Release the power button and unlock the screen lock switch at the side of the device. 3) The device has been restored to factory settings. For more information please visit our trouble shooting page: Acer Iconia One 7 Troubleshooting