This belongs to the IP address error, the solution:
1, Click the Network icon in the taskbar → Open the Network and Sharing Center
2, Network and Sharing Center → Change the configurator Settings
3, right click network connection (wired is local connection, wireless is wireless connection) → properties
4. Internet Protocol Version 4 (TCP, IPv4) → Properties
5, here is the most critical step, if you use the wrong IP address, you will not be able to access the Internet, may wish to change to automatically obtain IP address → determine (if it is the unit of the LAN, you need to fill in the IP address and other information according to the actual situation hope to help you