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5
Diagnosing Problems
T
ROUBLESHOOTING
The 3Com WLAN Launcher window can help you can diagnose problems. To
display the 3Com WLAN Launcher, double click the 3Com icon in the Windows
system tray.
If you have difficulty using the PC Card, try the solutions in the following table. If
you continue to experience difficulty, see "Upgrading PC Card Firmware" on
page 34 or "Uninstalling the Card" on page 33.
Symptom
PC Card LED is off.
PC Card LED is on, but not
blinking.
PC Card installs as an unknown
device.
Installation program does not
finish. The driver fails to load.
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.
Solutions
Make sure the card is properly inserted in the slot.
Check the PC Card icon in the Windows control panel and
make sure that the card type can be recognized.
Make sure the card is properly inserted in the slot.
Uninstall the card and reinstall it.
The Windows Add Hardware Wizard was unable to locate
the PC Card 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.
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.
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.
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