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Troubleshooting
Diagnosing Problems
If you have difficulty using the Wireless LAN USB Adapter, try the solutions in the
following table. If you continue to experience difficulty, see the next two
sections,“Uninstalling the USB Adapter” and “Uninstalling Wireless LAN Manager.”
Wireless LAN USB Adapter LED Indicators
Problem Solutions
Wireless LAN
USB Adapter LED is off Make sure the USB connections are seated firmly on both the computer connection and the
connection to the 3Com USB Wireless Adapter device.
Check the Wireless LAN Adapter icon in the Windows control panel and make sure the adapter
type can be recognized.
Wireless LAN
USB Adapter installs as
an unknown device
Remove the unknown device and repeat the installation procedure. Make sure you insert the
3Com CD when the installation calls for it and that you wait for it to come up to speed in
the drive.
The Windows Add Hardware Wizard was unable to locate the Wireless LAN USB Adapter
drivers. You may have had no CD or the wrong CD inserted in the drive, or the 3Com CD may
not have been ready when the wizard looked for the drivers.
Installation program does not finish
or the driver fails to load
Use the Device Manager to resolve resource conflicts that may exist. Select System from the
Control Panel, and then click the Device Manager tab.
Network association is intermittent Make sure the antenna is extended. Try reorienting the antenna. For best use of the antenna:
■ Keep the area around the antenna clear from materials that could block radio transmission,
such as metal objects, electronic devices, and cordless telephones.
■ If the signal is weak, change the direction of the antenna slightly.
■ If necessary, move the 3Com USB Adapter device to find a better signal.
No network association exists when
the computer becomes active again
after being in sleep mode or after the
Wireless LAN PC Card is removed and
reinserted
Log out and log in again, or restart the computer to restore the connections.
Condition Description
PWR Indicates the Wireless LAN USB Adapter is receiving power.
LNK Indicates data transfer is taking place.