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4. If the driver is installed, ensure you are not connected to any network through WiFi or cabled
ethernet as iDRAC Direct uses a non-routable address.
Troubleshooting a serial I/O device
1. Turn off the system and any peripheral devices connected to the serial port.
2. Swap the serial interface cable with a working cable, and turn on the system and the serial device.
If the problem is resolved, replace the interface cable with a known good cable.
3. Turn off the system and the serial device, and swap the serial device with a comparable device.
4. Turn on the system and the serial device.
Troubleshooting a NIC
1. Run the appropriate diagnostic test. See Using System Diagnostics for available diagnostic tests.
2. Reboot the system and check for any system messages pertaining to the NIC controller.
3. Check the appropriate indicator on the NIC connector:
• If the link indicator does not light, check all cable connections.
• If the activity indicator does not light, the network driver files might be damaged or missing.
Remove and reinstall the drivers if applicable. See the NIC's documentation.
• If applicable, change the autonegotiation setting.
• Use another connector on the switch or hub.
4. Ensure that the appropriate drivers are installed and the protocols are bound. See the NIC's
documentation.
5. Enter the System Setup and confirm that the NIC ports are enabled on the Integrated Devices
screen.
6. Ensure that the NICs, hubs, and switches on the network are all set to the same data transmission
speed and duplex. See the documentation for each network device.
7. Ensure that all network cables are of the proper type and do not exceed the maximum length.
Troubleshooting a wet system
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. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the system cover.
3. Remove the following components from the system:
• hard drives
• hard-drive backplane
• USB memory key
• hard-drive tray
• cooling shroud
• expansion-card risers (if present)
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