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Troubleshooting 45
NOTE: The procedures in this document were written for the Windows default
view, so they may not apply if you set your Dell computer to the Windows Classic
view.
Power Problems
CAUTION: Before you begin any of the procedures in this section, read and follow
the safety instructions provided with your computer.
I
F THE POWER LIGHT IS OFF — The computer is either turned off or is not
receiving power.
• Reseat the power cable in the power connector on the back of the
computer and the electrical outlet.
• Bypass power strips, power extension cables, and other power protection
devices to verify that the computer turns on properly.
• Ensure that any power strips being used are plugged into an electrical
outlet and are turned on.
• Ensure that the electrical outlet is working by testing it with another
device, such as a lamp.
• Ensure that the main power cable and front panel cable are securely
connected to the system board (see
your Service Manual on the Dell
Support website at support.dell.com
).
IF THE POWER LIGHT IS BLUE AND THE COMPUTER IS NOT RESPONDING —
• Ensure that the display is connected and powered on.
• If the display is connected and powered on, see "System Messages" on
page 37.
IF THE POWER LIGHT IS BLINKING BLUE — The computer is in standby mode.
Press a key on the keyboard, move the mouse, or press the power button to
resume normal operation.
IF THE POWER LIGHT IS BLINKING AMBER — The computer is receiving
electrical power, a device might be malfunctioning or incorrectly installed.
• Remove and then reinstall all memory modules (see
your Service Manual
on the Dell Support website at support.dell.com
).
• Remove and then reinstall any expansion cards, including graphics cards
(see
your Service Manual on the Dell Support website at
support.dell.com
).