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Troubleshooting Your System 107
Action
CAUTION: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before performing any
procedure, see your Product Information Guide for complete information about
safety precautions, working inside the computer and protecting against
electrostatic discharge.
1
Run the appropriate online diagnostics test. See "Using Dell PowerEdge
Diagnostics" on page 117.
2
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
3
Open the system. See "Opening the System" on page 54.
4
Ensure that the power supply is properly installed by removing and
reinstalling it. See "Power Supply" on page 73.
If the problem persists, remove the faulty power supply. See "Removing the
Power Supply" on page 73.
5
Install a new power supply. See "Installing the Power Supply" on page 75.
If the problem persists, see "Getting Help" on page 127.
Troubleshooting System Cooling Problems
Problem
• Systems management software issues a fan-related error message.
Action
Ensure that none of the following conditions exist:
• Ambient temperature is too high.
• External airflow is obstructed.
• Cables inside the system obstruct airflow.
• An individual cooling fan has failed. See "Troubleshooting a Fan" on
page 108.
book.book Page 107 Thursday, August 30, 2007 3:30 PM