17
5.2 Troubleshooting
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
adapter to your device and to AC power. Then, turn on your device.
Troubleshooting and maintenance
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 adapter 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 3.4 for instructions.)
Connection Problems
Cable Connection Problems
. Make sure that your device and your computer are both turned on before trying
to establish a connection.
. Make sure that the cable is securely plugged into the USB port on your
computer and on the device. Connect the USB cable directly to your computer
do not run the cable through a USB hub.