50 Solving Problems
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IF THE POWER LIGHT IS OFF —The computer is either turned off or is not
receiving power.
• Ensure that the power cable is firmly inserted 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.
• Ensure that the voltage selection switch is set to match the AC power at your
location (see page9) .
• Bypass power protection devices, power strips, and power extension cables to
verify that the computer turns on.
• Swap the computer and monitor power cables to determine if the power cable
is defective.
• Ensure that the microprocessor power cable is securely connected to the
system board (see page77).
• Ensure that the power supply cables are securely connected to the system
board (see page77).
• If the problem persists, contact Dell (see page 95).
IF THE POWER LIGHT IS STEADY AMBER —The computer is receiving
electrical power, but an internal power problem might exist.
• Ensure that the power cable is firmly inserted into both the power connector
on the back of the computer and the electrical outlet.
• Ensure that the voltage selection switch is set to match the AC power at your
location (see page9) .
• Ensure that the microprocessor power cable is securely connected to the
system board (see page77).
• Ensure that the power supply cables are securely connected to the system
board (see page77).
• If the problem persists, contact Dell (see page 95).
IF THE POWER LIGHT IS BLINKING AMBER —A device might be
malfunctioning or incorrectly installed.
• Remove and then reinstall the memory modules (see page82).
• Remove and then reinstall any cards (see page80).
• Remove and then reinstall the video card, if applicable (see page82).
• If the problem persists, contact Dell (see page 95).