Failure phenomenon: Two computers in the home are connected, make up the dual computer Internet, one computer can dial the Internet, but another computer can't share the Internet.
Failure analysis and elimination: According to the symptom analysis, this fault may be not set Intemet Connection Sharing or network is not connected. First open the Network Neighborhood window, look at the connection between the two computers, found that two computer network connection is normal, you can access each other. Computers that are suspected of dial-up access do not have "interact Connection Sharing" set up. And then, in a computer that can dial the Internet, open the Network Connections window, right-click on the established Dial-up connection icon, select Properties on the pop-up shortcut menu, open the Properties dialog box, and then click the Advanced tab to find that the Internet Connection Sharing column is not selected Allow other network users to connect through the Intemet connection to this computer check box, select it, and then test and troubleshoot on the Internet.