Ping the computer to detect the failure of the Internet

1. We click on the system in the beginning of the operation, in the Run bar to enter CMD command, the operating system of the DOS window will pop up, where we can intuitive and easy to enter a variety of DOS commands. Computer left-start-run-input cmd OK.

2. We can enter ping 192.168.1.1 in DOS, the address is a local circular address, if found that this address can not ping, indicating that the local machine TCP/IP protocol does not work, then please reload the TCP/IP protocol. Type the instructions to determine if the TCP/IP protocol is normal. If the above operation is successful, Ping, we can then enter Ipconfig to view the local IP address, and then ping the IP is its own IP, general instructions that the network card or modem work properly, is not the general rule is the network adapter failure. Type the instructions to determine the network card or modem work, ping own IP has an inverse value of the network card and modem normal

3.Ping The default gateway's ip,ping default gateway check that the router settings are not allowed to ping the gateway, check the firewall settings allow ping out, ping in? Check these out. We start by pinging the default gateway, which is not a general rule for this section of the line. Then check that the network cable and router are working properly. Ping the default gateway to determine whether native to route is normal.

4. Detection of a network with DNS services, simply ping a Web site, such as Ping www.qq.com, the normal return value, which indicates that the computer's DNS settings are correct and the DNS server is working properly, that is, I said our machine can connect wide area network. Ping detects an Internet network.

When the above four steps have been completed, we can easily determine if there is a link in the problem, the reset settings, the change of hardware hardware.