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Troubleshooting
Diagnosing Problems
If you have difficulty using the Wireless LAN PC Card, try the solutions in the following
table. If you continue to experience difficulty, see the next two sections,“U
ninstalling the
PC Card” and “Uninstalling Wireless Card Manager”
Uninstalling the PC Card
Previous installations or interrupted installation attempts sometimes leave problems that
affect card operation. Possible problems include:
■ Wireless LAN PC Card fails to function.
■ Operating system does not detect the Wireless LAN PC Card.
■ System issues a warning tone at start-up.
If the installation is unsuccessful, your best course may be to completely uninstall the card
and repeat the installation procedure.
Problem Solutions
Wireless LAN PC Card Power/Activity
LED is off (applies to 3CRSHPW796
only)
■ Make sure the PC Card is properly inserted in the slot.
■ Check the Wireless LAN PC Card icon in the Windows control panel and make sure the PC
Card type can be recognized.
■ Check “Confirming Device Installation” on page 6.
Wireless LAN PC Card installs as an
unknown device
Remove the unknown device from the Device Manager 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.
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 Try reorienting the computer. 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 position of the computer slightly.
■ If necessary, move your computer a few inches to find a better signal.
Computer operating system does not
recognize the card
■ Make sure the card is properly inserted in the slot and Cardbus support is installed.
■ Windows XP, 2000, Me, and 98 SE: Check whether the computer has a Plug-and-Play BIOS.
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.
CAUTION: Exit any networking applications and remove the Wireless LAN PC Card
before uninstalling the card.