What is the reason why the computer network connection is unavailable?

1, to confirm whether the broadband account is normal without arrears;

2. Ensure that the network cable of the router is connected with the cat, router and computer correctly, and the corresponding indicator light is normal;

3. Enter the default login address of the router in the address bar of the browser (for example, 192. 168. 1), enter the user name and password to log in to the router setup interface, and check whether the IP address can be obtained normally by "WAN port status". If you are prompted "Dialing failed", please click "Help" to check and follow the steps in the Help.

4. You can also try to dial up the Internet with a cat without using a router first, and see if you can dial up the Internet. If possible, connect the router and try again.