D-Link DWA-160 - Xtreme N Duo Dual Band Draft 802.11n USB Adapter User Manual page 43

Section  - 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-160 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-160 User Manual