How to Use Google’s DNS in Windows 7
Change DNS settings on this computer can be done if a domain fails to be accessed from a connection / ISP, but successfully accessed using a different internet connection. But keep in mind that by using Google's DNS does not guarantee that your domain can be directly accessed properly, because many factors that could cause a domain can not be accessed.
Here are the steps to change the DNS on the Internet connection that is used to control its Google on your computer / laptop that uses Windows 7 operating system:
First, open the Control Panel (from Start menu -> Control Panel) and then select Network and Internet, then Network and Sharing Center.
Click Change settings adapters
Then click on the Change adapter settings.
Choose Properties on the internet connection that is used
Then right click on internet connection you use, and select Properties.
Internet Protocol Version 4
Then select Internet Protocol Version 4 (TCP/IPv4) and click Properties.
Enter its DNS Google
After that, change its DNS settings to 8.8.8.8 and 8.8.4.4 and click OK.
After the DNS changes to Google's DNS was performed, can be tried again to access the original web page can not be accessed it. If the domain is still not accessible, while from a different internet connection can, you should immediately contact the ISP you use.
For more information about Google's control of this can be checked on the official page of Google.

Twitter
Youtube
Digg
Delicious
StumbleUpon
Facebook