hi, my ipad was suddenly appear with apple sign and not respond while im using it. i tried to hold the on/off and home button for 7 second, my ipad was turn off for only 3 seconds and on it automatically with the apple sign. i try this method for fews time but still remail the same, so i hold both button for 20 seconds, only my ipad totally turn off. when i tunrn it on, still the same, show with apple sign and no respond. Can anyone help me on this problem, so worry abt my ipad..........thanks