Sony PCV-RZ44G - Vaio Desktop Computer User Manual page 59

The LAN Internet connection is not working
If Media C enter cannot connect to the Internet through a local area network (LAN), then check the following:
Connectiv ity
C heck connectivity to the Internet by opening a browser and going to a well-known Web site, such as http://www.microsoft.com. If you
cannot go to a site that you know is accessible, then you are having connection problems.
Proxy serv er and firewall settings
Make sure that your proxy server or firewall settings have been properly configured. Depending on what type of network you use, these
settings might vary from person to person.
If you are not sure how to check your proxy server or firewall settings, then you might need to contact either your network
administrator or your Internet service provider (ISP).
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