How To Reset Ipad When Touch Screen Doesnt Work. Tap on Erase all Content and settings. Turn on Hold Duration then tap or to adjust the duration the default is 010 seconds.
Press and hold both the Home and the Top or Side buttons at the same time. Hold down the onoff button again to restart. Enter your Passcode and Apple ID to proceed.
If your screen works after removing an accessory try using a different socket cable or charger.
If it is plugged in and charging then it wont really power down. You can do so by following these steps. In order to do a hard reset just do the following. Select the Restore option.