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Troubleshooting Your System 135
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 diagnostic test. See "Using Dell PowerEdge
Diagnostics" on page 151.
2
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet and peripherals.
3
Open the system. See "Opening and Closing the System" on page 68.
4
Locate the faulty fan indicated by the LCD display or diagnostic software.
For the identification number of each fan, see "Cooling Fan Modules" on
page 83.
5
Ensure that the faulty fan's power cable is firmly attached to the fan power
connector. See "Cooling Fan Modules" on page 83.
6
Reconnect the system to its electrical outlet, and turn on the system and
attached peripherals.
7
If the problem is not resolved, install a new fan. See "Cooling Fan
Modules" on page 83.
If the replacement fan is working properly, close the system. See "Opening
and Closing the System" on page 68.
If the replacement fan does not operate,
see
"Getting Help" on page 165
.
Troubleshooting System Memory
Problem
• Faulty memory module.
• Faulty system board.
• Front-panel status LCD indicates a problem with system memory.