35
Troubleshooting☆
【Note】If the measures described in this section fail, contact our Service Center for assistance.
Malfunction Troubleshooting
z Ensure that the lithium battery has been installed properly.
The unit does not power
on after the power button
is pressed.
z Attach the unit to a power adapter. (This should allow the
unit to operate as well as charge the battery for mobile
operation.)
z Wait at least 5 seconds after powering on to see if the display
appears.
z Increase the brightness of the backlight.
z Connect the unit to a power adapter. If this succeeds, then
the battery may be low on power. Keep the unit connected to
the power adapter to remedy this situation.
Nothing displays on the
screen after the unit is
powered on.
z Briefly press the stylus on the “reset” button on the back of
the unit to reset it. Note that this will delete data.
z Ensure that the lithium battery is fully charged.
The unit suddenly shuts
off.
z Go to [System Setup] → [Power Management] to modify
shutdown policy.
z Keep the unit connected to a power adapter when not in use.
The battery drains
quickly.
z Decrease the brightness of the backlight.
z Go to [System Setup] → [Screen Calibration] to adjust the
touchscreen.
When using the stylus,
the unit behaves
incorrectly.
z Ensure that the stylus is not damaged.
z Ensure that there is enough available internal memory. Exit
any unused application programs.
The unit has a slow
response time.
z Restart the system. If this fails to correct the problem, press
the “reset” button on the back of the unit. Note that this will
delete data.
z Go to [System Setup] → [Backlight Setup] to adjust the
backlight brightness.
Backlight is always off.
z Restart the system.
Battery cannot be
recharged.
z Ensure that the power adapter is not damaged, that the input
end has power and that the output end is connected
correctly.
z Ensure that the earphones are not damaged and that they
are connected correctly.
No sound is emitted from
the earphones or
speakers.
z Increase the sound volume setting.
Keys don’t function
properly.
z Ensure that each key glows blue when pressed. If this does
not happen, contact your distributor or sales representative.