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116 Troubleshooting
RESTART THE COMPUTER AND LOG ON TO THE NETWORK AGAIN
CHECK YOUR NETWORK SETTINGS — Contact your network administrator or the
person who set up your network to verify that your network settings are correct and
that the network is functioning.
R
UN THE HARDWARE TROUBLESHOOTER — See "Troubleshooting Software and
Hardware Problems in the Microsoft
®
Windows
®
XP and Microsoft Windows Vista
®
Operating Systems" on page 131.
Power Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
C
HECK THE POWER LIGHT — When the power light is lit or blinking, the computer
has power. If the power light is blinking, the computer is in standby mode—press the
power button to exit standby mode. If the light is off, press the power button to turn
on the computer.
I
F THE POWER LIGHT IS BLINKING GREEN — The computer is in standby mode.
Press a key on the keyboard, move the mouse, or press the power button to resume
normal operation.
I
F THE POWER LIGHT IS OFF — The computer is either turned off or is not receiving
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.
IF THE POWER LIGHT IS BLINKING AMBER — The computer is receiving electrical
power, but an internal power problem may exist.
• Ensure that the voltage selection switch is set to match the AC power at your location
(if applicable).
IF THE POWER LIGHT IS STEADY AMBER — A device may be malfunctioning or
incorrectly installed.
• Remove and then reinstall all memory modules (see the
Service Manual
for your
system on
support.dell.com
).