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5. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
6. Open the system.
7. Check the memory channels and ensure that they are populated correctly.
8. Reseat the memory modules in their sockets.
9. Close the system.
10. Enter the System Setup and check the system memory setting.
If the problem is not resolved, proceed with the next step.
11. Open the system.
12. If a diagnostic test or error message indicates a specific memory module as faulty, swap or replace
the module with a known good 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. For more information, see General Memory Module Installation Guidelines.
14. Close the system.
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 is still indicated, repeat step 12 through step 15 for each memory module
installed.
If the problem persists after all memory modules have been checked, see Getting Help.
Troubleshooting An Internal USB Key
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. Enter the 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. Open the system.
4. Locate the USB key and reseat it.
5. Close the system.
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 different USB key that you know works properly.
9. Close the system.
If the problem is not resolved, see Getting Help.
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