Solving problems, Ensuring sufficient power for your computer, Docking power considerations – Dell Latitude C540 User Manual

Page 55: Error messages, Video and display problems, If the display is blank, If the display is difficult to read, If only part of the display is readable, Sound and speaker problems, If you have a problem with integrated speakers

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Solving Problems

Power Problems

Error Messages

Video and Display Problems

Sound and Speaker Problems

Printer Problems

Modem and Internet Connection

Problems

Touch Pad or Mouse Problems

External Keyboard Problems

Unexpected Characters

Drive Problems

PC Card Problems

Network Problems

General Program Problems

If Your Computer Gets Wet

If You Drop or Damage Your

Computer

Resolving Other Technical Problems

Power Problems

Fill out the

Diagnostics Checklist

as you complete these checks.

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
standby mode. If the light is off, press the power button to turn on the computer.

Charge the battery -

The battery charge may be depleted.

Reinstall the battery.

1.

Use the AC adapter to connect the computer to an electrical outlet.

2.

Turn on the computer.

3.

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 hot to charge. Turn off
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.

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