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76 Troubleshooting Your System
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 85.
2
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3
Open the system. See "Opening and Closing the System" on page 38.
4
Locate the faulty fan module indicated by the diagnostic software. For the identification number of
each fan, see "Removing and Installing a Cooling Fan Module" on page 41.
5
Ensure that the faulty fan module’s power cable is firmly attached to the fan power connector on the
system board. See "Cooling Fan Modules" on page 40.
6
If the problem is not resolved, install a new fan module. See "Cooling Fan Modules" on page 40.
7
Close the system. See "Opening and Closing the System" on page 38.
8
Run the appropriate diagnostic test. See "Using Dell PowerEdge Diagnostics" on page 85.
If the replacement fan module does not operate, see "Getting Help" on page 95.
Troubleshooting System Memory
Problem
• Faulty memory module.
• Faulty system board.
• Diagnostic indicator code indicates a problem with system memory.
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
If the system is operational, run the appropriate online diagnostic test. See "Using Dell PowerEdge
Diagnostics" on page 85.
If diagnostics indicates a fault, follow the corrective action(s) provided by the diagnostic program. If
the problem is not resolved or if the system is not operational, proceed to step 2.
2
Turn off the system and attached peripherals, unplug the system from the power source and press the
power button, and reconnect the system to power.