Dell R610 Owners Manual - Page 143
Troubleshooting a Serial I/O Device, Troubleshooting a NIC
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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. Troubleshooting Your System 143
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