Troubleshooting
57
Common Troubleshooting
Issue
Cause
Solution
Can’t turn on.
Low battery.
Recharge the battery.
Working temperature is beyond the
allowed range (-20 ℃ ~ 60 ℃).
Bring the handheld into the environment where
the temperature is in the allowed range.
Crash in using.
Excessive operations were in
processing in the handheld in a short
time.
Restart the handheld.
The screen is
black.
In order to prevent battery power loss,
the screen will automatically be black
if there is no operation within one
minute.
Press any button or tap the screen.
The handheld does not turn on.
Press the power button to turn on the handheld.
The handheld runs out of power.
Recharge the battery.
The screen
doesn't respond
to one-tap.
No calibration of the touch screen.
Realign the touch screen.
The screen
doesn't respond
to double-tap.
The current double-tap speed is too
fast or too slow.
Reset the double-tap speed.
The handheld
can’t be
charged.
The internal temperature has risen
above 40 ℃.
Temporarily turn off the handheld, recharging
when the temperature drops to the allowed
range.
Keep far away from the heat source, such as
sunshine. The handheld will charge
automatically when the temperature drops into
the allowed range.
The internal temperature has fallen
below 0 ℃.
Charge the handheld when the internal
temperature is over 0 ℃.
Can't recognize
the storage card.
The storage card has not been inserted
properly.
Carefully take out the card, and then insert it
into the card slot gently.
The gold finger (metal part of the
card) is dirty.
Use cotton swab with alcohol to wipe it clean
before use.
Unable to
connect to
computer.
Data cable is not connected properly.
Check and connect the data cable.
The synchronization software has not
been installed on the computer.
Install the synchronization software
ActiveSync.
Satellite signal
is poor.
Located in tunnel, under viaduct or
near large area waters which affects
the satellite signal.
Change location to improve receiving signals.
The GPRS
dial-up fails or
the network is
abnormal.
SIM card has not been inserted
properly.
Carefully take out the card, and then insert it
into the card slot gently.
The flow of the SIM card is not open
or has been used up.
Contact the GPRS operator to open the flow.
The local network signal is weak.
Go to other places with strong signal to
re-establish the communication.
Electromagnetic interference exists
around, such as television tower,
microwave station, high voltage
transmission line, etc.
Be away from the area with strong
electromagnetic interference.
APN setting is not right.
Set the APN according to the SIM card. Please
refer to
GPac User’s Manual
for details.
The Bluetooth
dial-up fails.
The device for dial-up can’t offer the
icon
item.
Use other device for dial-up connection.
