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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
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 31.
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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 B L U E
a key on the keyboard, move the mouse, or press the power button to resume normal
operation.
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
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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).
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
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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).
• Ensure that the main power cable and the front panel cable are securely connected to
the system board connector (see your Service Manual at support.dell.com).
— The computer is either turned off or is not receiving
— The computer is in standby mode. Press
— The computer is receiving electrical
— There is a power problem, a device may
—
Troubleshooting
41
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