1. Click the 'Start' button in the lower left corner of the Windows 7 PC desktop, then click the 'Search' box. Type 'ncpa.cpl' and press the 'Enter' key. The 'Network Connections' window will appear.
2. Right-click on the wireless network connection icon and click 'Properties' in the menu that appears. Select 'Internet Protocol version 4 (TCP/IPv4)' from the list of protocols, then click the 'Properties' button.

3. Select the 'Use the following DNS server addresses' radio button. Type '208.67.222.222' in the 'Preferred DNS server' field, then type '208.67.220.220' in the 'Alternate DNS server' field. Click the 'OK' button to save the settings.
4. Click the 'OK' button in the 'Local Area Connection Properties' button to complete the configuration, then reboot the computer and connect to the wireless network and Internet.