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122 Troubleshooting
•
Check your WWAN service
— Contact your cellular service provider to
verify your plan coverage and supported services.
Power Problems
Fill out the "Diagnostics Checklist" on page 178 as you complete these checks.
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
C
HECK THE POWER LIGHT — When the power light is lit or blinking, the
computer has power. If the power light is blinking, the computer is in Sleep
state—press the power button to exit Sleep state. If the light is off, press the
power button to turn on the computer.
NOTE: For information on Sleep power state, see "Using the Sleep Power State" on
page 53.
C
HARGE THE BATTERY — The battery charge may be depleted.
1
Reinstall the battery.
2
Use the AC adapter to connect the computer to an electrical outlet.
3
Turn on the computer.
NOTE: Battery operating time (the time the battery can hold a charge) decreases
over time. Depending on how often the battery is used and the conditions under
which it is used, you may need to purchase a new battery during the life of your
computer.
C
HECK THE BATTERY STATUS LIGHT — If the battery status light flashes amber or
is a steady
amber, the battery charge is low or depleted. Connect the computer to
an electrical outlet.
If the battery status light flashes blue and
amber, the battery is too hot to charge.
Shut down the computer, disconnect the computer from the electrical outlet, and
then let the battery and computer cool to room temperature.
If the battery status light rapidly flashes
amber, the battery may be defective.
Contact Dell
(see "Contacting Dell" on page 179).
CHECK THE BATTERY TEMPERATURE — If the battery temperature is below 0°C
(32°F), the computer will not start.
TEST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by
testing it with another device, such as a lamp.