Dell NM176 owner manual Troubleshooting a NIC, NIC cannot communicate with network, 103

4Turn on the system and then turn on the reconnected device.

If the problem is resolved, the USB connector might be defective. See "Getting Help" on page 127.

5If possible, swap the interface cable with a working cable.

If the problem is resolved, replace the interface cable. See "Getting Help" on page 127.

6Turn off the system and the USB device, and swap the device with a comparable device.

7Turn on the system and the USB device.

If the problem is resolved, replace the USB device. See "Getting Help" on page 127.

If the problem persists, see "Getting Help" on page 127.

Troubleshooting a NIC

Problem

•NIC cannot communicate with network.

Action

1Run the appropriate online diagnostic test. See "Using Dell PowerEdge Diagnostics" on page 117.

2Check the appropriate indicator on the NIC connector. See "NIC Indicator Codes" on page 19.

•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.

•Change the autonegotiation setting, if possible.

•Use another connector on the switch or hub.

If you are using a NIC card instead of an integrated NIC, see the documentation for the NIC card.

Troubleshooting Your System

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