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 one or more installed DIMM types, incorrect
DIMM installation, or defective DIMMs. 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.
Next steps
If the problem persists, see the Getting help section.
Related references
Getting help on page 216
Using system diagnostics on page 195
Troubleshooting an internal USB key
Prerequisites
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.
Steps
1. Enter System Setup and ensure that the USB key port is enabled on the Integrated Devices screen.
2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3. Remove the system cover.
4. Locate the USB key and reseat it.
5. Install the system cover.
6. Turn on the system and attached peripherals, and check if the USB key is functioning.
7. If the problem is not resolved, repeat step 2 and step 3.
8. Insert a known working USB key.
9. Install the system cover.
Next steps
If the problem persists, see the Getting help section.
Related references
Getting help on page 216
210 Troubleshooting your system
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