Dell PowerEdge 750 Troubleshooting Guide download pdf (Page 46)

If the amount of memory installed does not match the system memory setting, then perform the following steps: 
a. Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.  
 
b. Open the system. See "Opening the System."  
 
 
c. Swap the memory module in socket DIMM1_A with another of the same capacity. See "Installing Memory Modules" in "Installing System Options." 
 
 
d. Close the system. See "Closing the System."  
 
9. Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.  
 
10. As the system boots, observe the monitor screen and the indicators on the keyboard.  
 
11. Repeat step8 through step10 for each memory module installed.  
 

If the problem persists, see "Getting Help." 
12. Run the system memory test in the system diagnostics. See "Running the System Diagnostics."  
 

If the test fails, see "Getting Help." 

Troubleshooting the Processor 

Problem 
l Error message indicates a processor problem. 
 
l A heat sink is not installed for the processor. 
 

Action 
 
1. Run the appropriate online diagnostics test. See "Using Server Administrator Diagnostics" in "Running the System Diagnostics."  
 
2. Open the system. See "Opening the System."  
 
3. Ensure that the processor and heat sink are properly installed. See "Replacing the Processor" in "Installing System Options."  
 
4. Close the system. See "Closing the System."  
 
5. Run Quick Tests in the system diagnostics. See "Running the System Diagnostics."  
 

If the test fails, continue to the next step. 
6. Open the system. See "Opening the System."  
 
7. Replace the processor. See "Replacing the Processor."  
 
8. Close the system. See "Closing the System."  
 
9. Run Quick Tests in the system diagnostics. See "Running the System Diagnostics."  
 

If the tests fail or the problem persists, see "Getting Help." 

Troubleshooting the System Board 

Problem 
NOTE: Several configurations for memory modules exist; see "Memory Module Installation Guidelines" in "Installing System Options." 
 
CAUTION: See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting 
against electrostatic discharge.

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Dell PowerEdge 750 Troubleshooting Guide Page 46

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