Power Problems - Dell OptiPlex 360 Service Manual

Guide), no network communication is occurring. Replace the network cable.
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H E C K Y O U R N E T W O R K S E T T I N G S
person who set up your network to verify your network settings are correct and that the
network is functioning.
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page 135.

Power Problems

WARNING:
that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
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F T H E P O W E R L I G H T I S G R E E N A N D T H E C O M P U T E R I S N O T R E S P O N D I N G
"Power Lights" on page 123.
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F T H E P O W E R L I G H T I S B L I N K I N G G R E E N
Press a key on the keyboard, move the mouse, or press the power button to resume
normal operation.
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F T H E P O W E R L I G H T I S O F F
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 any power strips being used are plugged into an electrical outlet and are turned
on.
• Ensure the electrical outlet is working by testing it with another device, such as a
lamp.
• Ensure the main power cable and front panel cable are securely connected to the
system board (see "System Board Components" on page 13).
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F 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
power, but an internal power problem may exist.
• Ensure the voltage selection switch is set to match the AC power at your location (if
applicable).
• Ensure all components and cables are properly installed and securely connected to the
system board (see "System Board Components" on page 13).
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Troubleshooting
— Contact your network administrator or the
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R O U B L E S H O O T E R
Before working inside your computer, read the safety information
— The computer is either turned off or is not receiving
— See "Hardware Troubleshooter" on
— The computer is in standby mode.
— The computer is receiving electrical
— See