Troubleshooting System Memory - Dell PowerEdge 1900 Systems Owner's Manual

Action
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1 Run the appropriate diagnostic test. See "Using Server Administrator Diagnostics" on page 127.
2 Open the system. See "Opening the System" on page 48.
CAUTION:
The cooling fans are hot-pluggable. To maintain proper cooling while the system is on, only replace
one fan at a time.
3 Locate the faulty fan indicated by the LCD panel or diagnostic software. For the identification number
of each fan, see Figure 3-5.
4 Check the fan connection by removing and reseating the fan in its bracket slot. See "Removing and
Installing a Fan" on page 53.
NOTE:
Wait 30 seconds for the system to recognize the fan and determine whether it is working properly.
5 If the problem is not resolved, install a new fan. See "Removing and Installing a Fan" on page 53.
If the replacement fan is working properly, close the system. See "Closing the System" on page 48.
If the replacement fan does not operate, see "Getting Help" on page 137.

Troubleshooting System Memory

Problem
• Faulty memory module.
• Faulty system board.
• Front-panel status LCD indicates a problem with system memory.
Action
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1 Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 127.
2 Turn on the system and attached peripherals.
If an error message does not appear, continue to the next step.
If an error messages appears, go to step 11.
3 Enter the System Setup program and check the system memory setting. See "Using the System Setup
Program" on page 33.
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Troubleshooting Your System