48D-Link DHP-W312AV User Manual
Section 3 - Conguration
Conguring Wireless Security
It is recommended to enable wireless security (WPA/WPA2) on your wireless router or DHP-W312AV before conguring your wireless adapter. If you 
are joining an existing network, you will need to know the security key or passphrase being used.
2.  Highlight the wireless network (SSID) you would like to connect to and 
click Connect.
1.  Open the Windows Vista
®
 Wireless Utility by right-clicking on the wireless 
computer icon in your system tray (lower right corner of screen). Select 
Connect to a network.