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Solving Problems 51
Power Problems
CAUTION: Before you begin any of the procedures in this section,
follow the safety instructions on page 9.
HINT: If the power light
on the front of the
computer is steady green
(see page 76), the
computer is operating
normally.
ADJUST THE POWER PROPERTIES — Your computer may be in standby or
hibernate mode. For information on power conservation modes, see the Tell Me
How help file, or search for the keyword standby or hibernate in Windows
®
Help.
To access help files, see page 38.
IF THE POWER LIGHT IS BLINKING GREEN — The computer is in standby
mode. Press a key on the keyboard or move the mouse to resume normal
operation.
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 page 9).
• 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 page 83).
• Ensure that the power supply cables are securely connected to the system
board (see page 83).
• If the problem persists, contact Dell (see page 105).