13. To troubleshoot an unspecied faulty memory module, replace the memory module in the rst 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.
Next steps
If the problem persists, see the Getting help section.
Troubleshooting an internal USB key
Prerequisites
CAUTION: Many repairs may only be done by a certied 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 o 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.
Troubleshooting an SD card
Prerequisites
CAUTION: Many repairs may only be done by a certied 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.
NOTE: Certain SD cards have a physical write-protect switch on the card. If the write-protect switch is turned on, the
SD card is not writable.
Steps
1. Enter System Setup, and ensure that the Internal SD Card Port is enabled.
2. Turn o the system, including any attached peripherals, and disconnect the system from the electrical outlet.
3. Remove the system cover.
NOTE: When an SD card failure occurs, the internal dual SD module controller noties the system. On the next
restart, the system displayed a message indicating the failure. If redundancy is enabled at the time of SD card failure,
a critical alert will be logged and chassis health will degrade.
4. Replace the failed SD card with a new SD card.
5. Install the system cover.
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