Troubleshooting Your System 143
Troubleshooting a USB Device
Problem
• System message indicates a problem with a USB device.
• Device connected to a USB port is not operating properly.
Action
1
Enter the System Setup program, and ensure that the USB ports are
enabled. See "Using the System Setup Program" on page 47.
2
Turn off the system and any USB devices.
3
Disconnect the USB devices, and connect the malfunctioning device to
the other USB connector.
4
Turn on the system and the reconnected device.
If the problem is resolved, the USB connector might be defective. See
"Getting Help" on page 175.
5
If possible, swap the interface cable with a working cable.
If the problem is resolved, replace the interface cable.
6
Turn off the system and the USB device, and swap the device with a
comparable device.
7
Turn on the system and the USB device.
If the problem is resolved, replace the USB device.
If the problem persists, see "Getting Help" on page 175.
Troubleshooting a NIC
Problem
• NIC cannot communicate with network.
Action
1
Run the appropriate online diagnostic test. See "Running the System
Diagnostics" on page 162.
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