Manual
Table Of Contents
- Dell DX6104-CSN, DX6104-SCN, And DX6104-SN Systems Owner's Manual
- About Your System
- Using The System Setup And Boot Manager
- Installing System Components
- Recommended Tools
- Front Bezel (Optional)
- Opening And Closing The System
- Inside The System
- Cooling Shroud
- System Memory
- Hard Drives
- Optical Drive (Optional)
- Cooling Fans
- Internal USB Memory Key (Optional)
- Expansion Cards And Expansion-Card Risers
- iDRAC Ports Card (Optional)
- SD vFlash Card
- Internal Dual SD Module
- Internal SD Card
- Integrated Storage Controller Card
- Processors
- Power Supplies
- System Battery
- Hard Drive Backplane
- Control Panel Assembly
- Power Distribution Board Shroud
- Power Distribution Board
- System Board
- Troubleshooting Your System
- Safety First—For You And Your System
- Troubleshooting System Startup Failure
- Troubleshooting External Connections
- Troubleshooting The Video Subsystem
- Troubleshooting A USB Device
- Troubleshooting A Serial I/O Device
- Troubleshooting A NIC
- Troubleshooting A Wet System
- Troubleshooting A Damaged System
- Troubleshooting The System Battery
- Troubleshooting Power Supplies
- Troubleshooting Cooling Problems
- Troubleshooting Cooling Fans
- Troubleshooting System Memory
- Troubleshooting An Internal USB Key
- Troubleshooting An SD Card
- Troubleshooting An Optical Drive
- Troubleshooting A Hard Drive
- Troubleshooting A Storage Controller
- Troubleshooting Expansion Cards
- Troubleshooting Processors
- Using System Diagnostics
- Jumpers And Connectors
- Technical Specifications
- System Messages
- Getting Help

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 portis enabled from 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.
Troubleshooting An SD Card
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.
NOTE: Certain SD cards have a physical write-protect switch on the card. If the write-protect switch is turned on
then the SD card is not writeable.
1. Enter the System Setup and ensure that the Internal SD Card Port is enabled.
2. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
3. Open the system.
CAUTION: If the Internal SD Card Redundancy option is set to Mirror Mode in the Integrated Devices screen
of the System Setup, you must follow the instructions in step 4 through step 7 to avoid loss of data.
NOTE: When an SD card failure occurs, the internal dual SD module controller notifies the system. On the next
reboot, the system displays a message indicating the failure.
4. If the Internal SD Card Redundancy option is set to Disabled, replace the failed SD card with a new SD card.
5. If SD card 1 has failed, remove the card from SD card slot 1. If SD card 2 has failed, install a new SD card in SD
card slot 2 and proceed to step 7.
6. Remove the card present in SD card slot 2 and insert it into SD card slot 1.
7. Insert the new SD card into SD card slot 2.
8. Close the system.
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