Windows 7 Wireless Configuration and Troubleshooting
Step 8: Obtaining all Values Automatically
The Internet Protocol Version 4 (TCP/IPv4) Properties window will appear. Make sure the radio button in front of Obtain an IP address automatically is marked. Also, make sure that the radio button in front of Obtain DNS server address automatically is marked. When you click the OK button in the Internet Protocol Properties window, you will be returned to the connection properties window.