Click on Start, Control Panel, then Network Connections
Right-click the Wireless Connection, then left click on properties
Select Internet Protocol (TCP/IP) and click Properties
Click on the General tab and check Obtain and IP address automatically. Click OK
If Internet Protocol TCP/IP is not in the list of installed components in Step 3, then click on Install, Protocol, and click on Add.
Select Microsoft TCP/IP and OK.
Verify that the Internet Protocol (TCP/IP) check box is selected and click OK