122D-Link DSL-2790U Wireless N300 ADSL2+ Modem Router User Manual
Section 6 - Connecting To Your Wireless Network
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.
4.  The following window appears while your computer tries to connect 
to the router.