7
2Troubleshooting

Confirming Device Installation

1With your PC Card installed in the computer, double-click the My Computer icon.
If you are running Windows XP, click Start > Control Panel and go to step 3.
2Double-click the Control Panel icon.
3Double-click the System icon. The System Properties window appears, detailing your
system setup.
4Click the Device Manager tab. A list of devices appears, arranged by type. If you are
using Windows XP or 2000, click the Hardware tab and click Device Manager.
5Double-click Network Adapters. Select: 3Com 3CRPAG175 Wireless LAN PC Card
6Double-click the entry to display a description of the current status.
The device status should indicate "This device is working properly."
7Close the windows you have opened until you return to the desktop.

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 sections, "Removing Your Wireless
LAN PC Card" and "Updating the Wireless LAN PC Card driver.
Problem Solutions
Wireless LAN PC Card LED is off Make sure the PC Card is properly inserted in the slot and that the XJACK antenna is fully
extended. Confirm device installations as described above.
Check the Wireless LAN PC Card icon in the Windows Device Manager and make sure the
PCCard type can be recognized.
Wireless LAN PC Card installs as an
unknown device
Remove the unknown device and repeat the installation procedure. Make sure you insert the
3Com CD and run the setup. Then inserting the PC Card when requested.
The Windows Add Hardware Wizard
was unable to locate the Wireless LAN
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.
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 XJACK antenna is fully extended. Try reorienting your laptop. 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 your laptop 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 PC Card is properly inserted in the slot and PCMCIA support is installed. Check
whether another card is already in use. Windows XP, 2000, Me, and 98 SE: Check whether
the computer has a Plug-and-Play BIOS. Visit www.3com.com to download the latest drivers.
Refer to the Updating the Wireless LAN PC Card Driver section below.