Dell E28S Series, Owner'S Manual, Page: 209 / 220

3. Turn on the system and attached peripherals, and note the messages on the screen.
If an error message is displayed indicating a fault with a specific memory module, go to step
12.
4. Enter System Setup, and check the system memory setting. Make any changes to the
memory settings, if needed.
If the memory settings match the installed memory but the problem still persists, go to step
12.
5. Turn off the system and attached peripherals, and disconnect the system from the electrical
outlet.
6. Remove the system cover.
7. Check the memory channels and ensure that they are populated correctly.
Note: See the system event log or system messages for the location of the failed
memory module. Reinstall the memory device.
8. Reseat the memory modules in their sockets.
9. Install the system cover.
10. Enter System Setup and check the system memory setting.
If the problem is not resolved, proceed with step 11.
11. Remove the system cover.
12. If a diagnostic test or error message indicates a specific memory module as faulty, swap or
replace the module with a known working memory module.
13. To troubleshoot an unspecified faulty memory module, replace the memory module in the
first DIMM socket with a module of the same type and capacity.
If an error message is displayed on the screen, this may indicate a problem with the installed
DIMM type(s), incorrect DIMM installation, or defective DIMM(s). Follow the on-screen
instructions to resolve the problem.
14. Install the system cover.
15. As the system boots, observe any error message that is displayed and the diagnostic
indicators on the front of the system.
16. If the memory problem persists, repeat step 12 through step 15 for each memory module
installed.
After you finish
If the problem persists, see the Getting help section.
Troubleshooting an internal USB key
Before you begin
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 are shipped with your product.
Troubleshooting your system
Dell PowerEdge R430 Owner's Manual 209