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12.2 Troubleshooting
NOTE: If you encounter a problem you cannot solve, contact an authorized service center for
assistance.
Power Problems
Power does not turn on when using battery power
The remaining battery power may be too low to run your device. Connect the
AC charger to your device and to AC power. Then, turn on your device.
Screen Problems
Screen is off
If the screen does not respond even after you press the power button, try the
following in order until the problem is solved:
Connect the AC charger to your device and to external AC power.
Reset your system.
Screen responds slowly
Make sure that your device is not running out of battery power. If the problem
still exists, reset your system.
Screen freezes
Reset your system.
Screen is hard to read
Make sure that the backlight of the display is on.
Move to a location with more light.
Inaccurate response to taps
Recalibrate the touch screen. (See section 8.4 for instructions.)