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88 Troubleshooting Your System
4
If the problem is not resolved, install a new fan. See "Fan Assembly" on page 57.
If the replacement fan is working properly, close the system. See "Closing the System" on page 47.
If the replacement fan does not operate, see "Getting Help" on page 103.
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 93.
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.
3
Turn on the system and attached peripherals and, as the system boots, note the messages on the
screen.
If the amount of system memory detected during POST does not match the amount of memory
installed, proceed to the next step.
If an error message appears, go to step 12.
4
Enter the System Setup program and check the system memory setting. See "Using the System Setup
Program" on page 29.
If the amount of memory installed matches the system memory setting, go to step 12.
5
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
6
Open the system. See "Opening the System" on page 46.
7
Ensure that the memory banks are populated correctly. See "Memory Module Installation Guidelines"
on page 68.
If the memory modules are populated correctly, continue to the next step.
8
Reseat the memory modules in their sockets. See "Installing Memory Modules" on page 69.