Windows XP
Point the cursor and click the right button on the "My Network Place" icon.
Select "properties" to enter the TCP/IP setting window.
1. Set "IP address" to "Obtain an IP address automatically."
2. Set "DNS" to "Obtain DNS server address automatically."
Windows Vista
Go to Start and select Control Panel, double click on Networking and Sharing
center icon.
1. Click on View Status and click on Properties button