w w w . d e l l . c o m s u p p o r t . d e l l . c o m
IF T H E P O W E R L I G H T I S O F F — The computer is either turned off or is not receiving power.
•Reseat the power cable into both the power connector on the back of the computer and the electrical outlet.
•If the computer is plugged into a power strip, ensure that the power strip is plugged into an electrical outlet and that the power strip is turned on.
•Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
•Bypass power protection devices, power strips, and power extension cables to verify that the computer turns on.
•Ensure that the main power cable is securely connected to the system board (see page 87).
•Ensure that the front panel cable is securely connected to the system board (see page 87).
•If the problem persists, contact Dell (see page 120).
IF T H E P O W E R L I G H T I S A M B E R A N D G R E E N — The computer is receiving electrical power, but an internal power problem might exist.
•Ensure that the voltage selection switch is set to match the AC power at your location (see page 11).
•Ensure that the microprocessor power cable is securely connected to the system board (see page 87).
•If the problem persists, contact Dell (see page 120).
IF 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 — The computer is receiving electrical power, but an internal power problem might exist.
•Ensure that the microprocessor power cable is securely connected to the system board (see page 87).
•If the problem persists, contact Dell (see page 120).
IF 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 — A device might be malfunctioning or incorrectly installed.
•Remove and then reinstall the memory modules (see page 95).
•Remove and then reinstall any cards (see page 88).
•If the problem persists, contact Dell (see page 120).
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