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Power Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety information that shipped with your computer.
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F T H E P O W E R L I G H T I S O F F
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 at
support.dell.com).
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F T H E P O W E R L I G H T I S B L U E A N D T H E C O M P U T E R I S N O T R E S P O N D I N G
•
Ensure that the display is connected and powered on.
•
If the display is connected and powered on, see "Beep Codes" on page 35.
F T H E P O W E R L I G H T I S B L I N K I N G B L U E
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Press a key on the keyboard, move the mouse, or press the power button to
resume normal operation.
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F T H E P O W E R L I G H T I S B L I N K I N G A M B E R
electrical power, a device might be malfunctioning or incorrectly installed.
•
Remove and then reinstall all memory modules (see your Service Manual
at support.dell.com).
•
Remove and then reinstall any expansion cards, including graphics cards
(see your Service Manual at support.dell.com).
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F T H E P O W E R L I G H T I S S T E A D Y A M B E R
may be malfunctioning or incorrectly installed.
•
Ensure that the processor power cable is securely connected to the system
board power connector (see your Service Manual at support.dell.com).
The computer is either turned off or is not
—
The computer is in standby mode.
—
The computer is receiving
—
There is a power problem, a device
—
—
Troubleshooting
45
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