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106 TROUBLESHOOTING 107TROUBLESHOOTING
Problem Possible causes Possible solution
Unable
to select
certain
features
Your service provider does not
support these features, or you
have not applied for services
that provide these features.
Contact your service
provider.
Battery not
charging
The battery or battery charger
is damaged.
Contact the dealer.
The tablet’s temperature is
below 32°F (0°C) or higher
than 113°F (45°C).
Adjust the battery-charging
environment to avoid
extremes of temperature.
Poor contact between the
battery and charger.
Check all connectors to
make sure all connections
have been properly made.
Poor battery
life
The standby time is related to
your service provider system
conguration. The same tablet
used with different service
providers’ systems will not
provide exactly the same
length of standby time.
If you are located in an
area where signaling is
weak, temporarily power
off the tablet.
Decreasing your display’s
brightness, turning off GPS,
Bluetooth, and/or Wi-Fi may
also improve battery life.
The battery is depleted. In high
temperature environments,
battery life will be shortened.
Recharge the tablet’s
battery.
Problem Possible causes Possible solution
Poor battery
life
If you are not able to connect
to the network, the tablet will
continue to send out signals
as it attempts to locate a base
station. Doing so consumes
battery power and will
consequently shorten standby
time.
Change your location to
one where the network is
accessible, or temporarily
turn off your tablet.
Cannot turn
your tablet
on
Battery power has been
depleted.
Recharge the tablet’s
battery.
SIM card
error
SIM card is malfunctioning or
damaged.
Take the SIM card to your
service provider for testing.
SIM card inserted improperly. Insert the SIM card
properly.
Debris on the SIM card
contacts.
Use a soft, dry cloth
to clean the SIM card
contacts.
Unable to
connect to
the network
SIM card invalid. Contact your service
provider.
You are not within the
network’s service area.
Check the service area
with your service provider.
Poor signal. Move to an open space, or
if you are inside a building,
move closer to a window.
55


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