How to Clean a Network's Cache

Clear a Windows 7 or Vista Cache
1. Click the Windows logo on the Task Bar. Type 'Network' into the 'Start Search' address bar.
2. Select 'Network and Sharing Center' from the presented options. If you are running Windows 7, select 'Troubleshoot Problems' and follow the succeeding prompts to clear your network's cache. For Vista users, click 'Tasks' and select 'Diagnose and Repair'. Follow the succeeding prompts.
3. Exit out of the internet browser. Reopen it and attempt to access the Internet.
Clear an Apple Mac OS X Cache
4. Type 'Terminal' into the Spotlight search bar.
5. Select 'Terminal' from the Application options.
6. Type 'dscacheutil -flushcache' into the window and then press Enter. Close the Terminal application. Quit your Web browser and relaunch it.
Clear a Linux Cache
7. Open a terminal window by clicking the 'Applications Menu' and selecting 'Accessories' and then 'Terminal'.
8. Type '/etc/rc.d/init.d/nscd' into the terminal application and restart.
9. Relaunch your Web browser.