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Troubleshooting a serial i/o device, Troubleshooting a nic – Dell POWEREDGE R610 User Manual

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Troubleshooting Your System

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4 If a device causes the same problem, power down the device, replace the

USB cable if applicable, and power up the device.
If the problem persists, replace the device.
If all troubleshooting fails, see "Getting Help."

Troubleshooting a Serial I/O Device

1 Turn off the system, including any attached peripherals, and disconnect

the system from the electrical outlet.

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.

3 Turn off the system and the serial device, and swap the device with a

comparable device.

4 Turn on the system and the serial device.

If the problem is resolved, replace the serial device.
If the problem persists, see "Getting Help."

Troubleshooting a NIC

1 Run the appropriate online diagnostic test. See "Running the System

Diagnostics."

2 Restart the system and check for any system messages pertaining to the

NIC controller.

3 Check the appropriate indicator on the NIC connector. See "NIC Indicator

Codes."
• 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.

• Enable autonegotiation.
• Use another connector on the switch or hub.
If you are using a NIC card instead of an embedded NIC, see the

documentation for the NIC card.