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Chapter 9.  Using and Troubleshooting TCP/IP > Can't connect to the Internet

9.6. Can't connect to the Internet

TCP/IP is complex to set up, so problems with configuration often lead to the inability to connect to the Internet. And even when your computer is correctly configured, you may encounter problems with network hardware or remote sites. Understanding some basic troubleshooting steps will help you identify and fix your connectivity problems. The place to start is your local computer's configuration.

9.6.1. Test local configuration

The first step in testing Internet connectivity is to check your computer's network configuration. How you do that depends on whether your computer is hardwired to the Internet or you connect through a dial-up connection. For a hardwired connection, right-click the connection in the Network and Dial-Up Connections folder, double-click the TCP/IP protocol, and check for the following:


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