User's Manual

Troubleshooting Procedures
200
SMCD3GNV Wireless Cable Modem Gateway User Manual
To add a wireless network on a Windows XP computer manually
Note: The following steps are for a wireless network that has WEP security.
1. From the Windows task bar, click Start and double-click Control Panel.
2. In the left pane, select Switch to Classic view.
3. Click Network Connections.
4. Right click Wireless Network Connections and select Properties.
5. Click on the Wireless Networks tab.
6. Click the Add button.
7. Enter the name of the wireless network (SSID).
8. Set the encryption type to WEP.
9. Clear the key is provided for me automatically check box.
10. Enter the network key and confirm it. Be sure This is a computer-to-computer (ad-hoc)
network is not selected.
11. Click OK and then click OK again.
12. Right-click Wireless Network Connections and select Status.
13. Click the Support tab and check for a valid IP address.
14. Check whether the computer can access the Internet wirelessly.
If you receive the same error message, ensure that IEEE 802.1x authentication of the
wireless adapter is disabled.
To disable IEEE 802.1x authentication
1. From the Windows task bar, click Start and select Run.
2. In the Open field, type ncpa.cpl and click OK.
3. Right-click the Wireless network connections icon, and select Properties.
4. Click the Wireless network tab.
5. Click the Properties button next to Remove.
6. Click the Authentication tab and uncheck the Enable IEEE 802.1x authentication for
this network checkbox.
7. Click OK to update the settings.