Symptom: A computer in a company's local area network, when opening "Network Neighborhood" appears "unable to browse networks, the network is inaccessible." For more information, see the ' Networking Troubleshooter ' topic in ' Help Index '. "The error prompt.
Failure analysis and elimination: According to the fault analysis, this fault may be due to the computer does not connect the network caused by the correct connection. First ping the IP address of the server in the network, no ping, and then ping ping "127.0.0.1", there is no ping, it appears to be a network protocol or NIC problems. Click the Control Panel-System command, and then click the Hardware tab in the Open dialog box, click the Device Manager button, and view the driver for the NIC in the Open Device Manager window and find the "!" on the NIC driver., reinstall the driver of the network card, after the installation of the NIC driver still has “!”。 Suspected network card contact bad, open the chassis check, there are a lot of dust in the chassis, the NIC removed, and then clean the dust in the chassis, cleaning and then plug in the network card, and then start the computer test network, troubleshooting.