Dell Dimension 8250 Series, Owner'S Manual

Page: 52 / 156

52 Solving Problems
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I
F T H E P O W E R L IG H T IS 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).
I
F T H E P O W E R L IG H T IS A MB 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).
I
F T H E P O W E R L IG H T IS S T E A D Y A MB 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).
I
F T H E P O W E R L IG H T IS B LI NK IN G A M B ER
—
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).