This is how to flush the cache in Vista, Windows 7, and Windows 8.
1. Click the Microsoft Vista Start logo in the bottom left corner of the screen
2. Click All Programs
3. Click Accessories
4. RIGHT-click on Command Prompt
5. Select Run As Administrator
6. In the command window type the following and then hit enter: ipconfig /flushdns
7. You will see the following confirmation:
Windows IP Configuration
Successfully flushed the DNS Resolver Cache
Flushing the DNS in Mac OS X is an easy process, but the steps taken will depend on which version of OS X you are running.
View the following online articles for more information: