What if the computer can't connect to the Internet?

What if the computer can't connect to the Internet?

In Internet Protocol (TCP/IP) properties, you can see that Windows defaults to "automatically obtain IP addresses" and "Automatically obtain DNS server addresses", and when your network is restricted, it is likely that the DHCP server in your network has failed. Then we need to manually enter the IP address and DNS server address, look at the company's other computer configuration, reference settings, pay attention to the IP of the last one to a different number, so as not to create conflict.

General computer network is not the problem of Internet operators, after a while automatically can be on, you can see the status of the broadband cat indicator, if the signal is flashing or not at all, it is not a computer problem, is not the network signal to the computer, you can call the network operators (telecommunications or unicom) to solve, The general city is within 24 hours door-to-door solution, if the broadband cat signal is always bright, this proves that the network is normal, please find the computer or router, switch, network card problem reasons.

Sometimes the computer is not connected to the Internet is the problem of system settings, if it is ADSL broadband, please recreate the broadband connection, dial-up access to the Internet, if the connection has a router, you also need to check the correct router settings, general router problems, you can restart the router or reset it again can be resolved.

The last one may be the computer network virus, the computer may appear on the network, with anti-virus software for antivirus, or reinstall system can be resolved.

Computer can not connect the network solution two

Find the reason

When we are on the Internet, in the lower right corner of the computer appears "may need other landing information" of the word out, then I said this situation is applicable (for XP and Windows7 are applicable)

Open Network and Sharing Center

In the lower right-hand corner of the computer there is a network connection logo, we click on it, there will be a "open Network and Sharing Center" option, we choose it, into the management control Panel.