User Manual

5
TROUBLESHOOTING
Diagnosing Problems The icons in the 3Com WLAN Launcher window indicate the network status and
can help you diagnose problems. To display the 3Com WLAN Launcher,
double-click the 3Com icon in the Windows system tray.
If you have difficulty using the Ethernet Bridge, try the solutions in the following
table. If you continue to experience difficulty, see “Upgrading Ethernet Bridge
Firmware” on page 36 .
Symptom Solutions
Ethernet Bridge LED is off. Make sure the card is properly inserted in the slot.
Check the Ethernet Bridge icon in the Windows control panel
and make sure that the card type can be recognized.
Ethernet Bridge LED is on, but
not blinking.
Make sure the card is properly inserted in the slot .
Uninstall the card and reinstall it.
Ethernet Bridge installs as an
unknown device.
The Windows Add Hardware Wizard was unable to locate the
Ethernet Bridge 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.
Remove the unknown device and repeat the installation
procedure. Make sure that 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.
Installation program does not
finish. The driver fails to load.
There may be a resource conflict. Use the Device Manager to
resolve resource conflicts. Select System from the Control
Panel, and then click the Device Manager tab.
Network association is
intermittent.
In the WLAN Launcher
window, the green dotted line
between associated devices
blinks to red with an X,
indicating that the radio signal
is weak.
The diagnostic signal strength
or link quality tests fail.
Make sure that the XJACK antenna attached to the end of
the card 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 your computer a few inches to find a
better signal.
Computer operating system
does not recognize the card .
In the WLAN Launcher
window, you see a yellow X on
the client icon.
The diagnostic adapter
presence test fails.
Make sure the card is properly inserted in the slot .
Make sure that PCMCIA support is installed.
Check whether another client is already in use.
Windows 95, Windows 98, Windows Millennium Edition
(Windows Me), and Windows 2000: Check whether the
computer has a Plug and Play BIOS.
Windows NT: Make sure CardWizard or Softex Card
Executive is installed on your computer.