How to solve network exclamation mark

How to solve the network exclamation mark?

In network connection, static IP and dynamic IP are usually used. If you use a static IP address and a yellow exclamation mark suddenly appears, it is likely that your IP address is occupied. Generally speaking, It will prompt: IP conflict

When there is an IP conflict, please "Open Network and Sharing Center--Local Area Connection" to modify the IP address

If you use a dynamic IP to access the Internet and a yellow exclamation mark appears, it is likely that some software has tampered with the DNS. At this time, you only need to reset the automatic acquisition of IP and DNS

If in a certain network environment, other people use it normally, but your network connection is displayed as a yellow exclamation mark, and the IP and DNS are normal, it is likely that the computer's network card driver is abnormal. At this time, please download and reinstall the network card driver. The problem will be solved after restarting the computer.

If none of the above methods can solve the problem, and other users on the same network also display yellow Exclamation mark, then the connected router, switch, firewall, etc. must be faulty. Please find a professional network engineer to solve the problem

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