D-Link WA121B1 User Manual page 26

Section 4 - Troubleshooting
Check that the Network Connection for the wireless client is configured properly. Select AP (Infrastructure) when connecting
to an access point. Double-click on the WLAN icon in the taskbar > click on Configuration to change the settings for the
wireless adapter.
If Security is enabled, make sure that the correct encryption keys are entered on both the DWA-121 and the access point.
Double-click on the WLAN icon in the taskbar > click Encryption. Check to see that the key selected is set to the same key as
other devices on the network.
D-Link DWA-121 User Manual 26