The touch screen does not work as expected.

Make sure you know how to use the touch screen [Details].

If the touch screen is damaged (scratched, etc.), contact the service/support center named in the warranty.

If the touch screen does not work, turn off your tablet device, and then turn it on again.

• If you cannot turn off your tablet device, press and hold the power button for about 10 seconds to force it to turn off, and then turn it on again [Details].

• If you cannot force your tablet device to turn off, insert a pin or other slim object into the reset button hole [Details].