40D-Link DHP-W221AV User Manual
Section 4 - Connecting to a Wireless Network
4.  The following window appears while your computer tries to connect 
to the router.
3.  Highlight the wireless connection with Wi-Fi name (SSID) you would 
like to connect to and click the Connect button.
  If you get a good signal but cannot access the Internet, check your 
TCP/IP settings for your wireless adapter. Refer to the Networking 
Basics section in this manual for more information.