1. First check if your NIC driver is in good condition. If the NIC driver does not work properly, you may need to reinstall the NIC driver to see if your network is working properly;
2. We press "Win+x" on the desktop and then open the Device Manager.
3. After entering the Device Manager, we will see the following image interface:
4. Now we find the network adapter that opens the interface, as shown in the following illustration
5. Then we click the Network properties and then click Install--the protocol, click Add--from disk installation, browse to C:/windows/inf/nettcpip.inf to determine, and then select Tcp/ipv4 installation;
6. OK, after setting the fixed IP, if it's still not working, we can try Windows+x Open the command Line box and enter "netsh int ip reset" carriage return. Follow the prompts to restart your computer to resolve the problem.
Set rules for fixed IP underground
The general situation is based on the router to set, the general router IP address for 192.168.1.1 or 192.168.0.1 our IP as long as the number between 192.168.1.X (X is 2-254) on it, the default gateway we can set for your router's IP address, At the same time DNS settings we can set such as 8.8.8.8 or 114.114.114.114 can oh.