Solving problems, Power problems – Dell LATITUDE D400 User Manual
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Solving Problems
Modem and Internet Connection Problems
If Your Dell™ Computer Gets Wet
If You Drop or Damage Your Computer
Resolving Other Technical Problems
Power Problems
Fill out the
Check 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 standby mode—press the power button to exit
. If the light is off,
press the power button to turn on the computer or to exit
Charge 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.
Check the battery status light —
If the battery status light flashes orange or is a steady orange the battery
charge is low or depleted. Connect the computer to an electrical outlet.
If the battery status light flashes green and orange, the battery is too warm 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 orange, the battery may be defective. Contact Dell.
Test the electrical outlet —
Ensure that the electrical outlet is working by testing it with another device, such
as a lamp.
Check the AC adapter —
Check the AC adapter cable connections. If the AC adapter has a light, ensure that
the light is on.
Connect the computer directly to an electrical outlet —
Bypass power protection devices, power strips,
and the extension cable to verify that the computer turns on.
Eliminate possible interference —
Turn off nearby fans, fluorescent lights, halogen lamps, or other
appliances.
Adjust the power properties —
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Reseat the memory modules —
If the computer power light turns on but the display remains blank,