Before solving the problem, we need to figure out why this happens?
In network connection, the network is usually divided into two methods: static IP and dynamic IP. If you use a static IP address and a yellow exclamation mark suddenly appears, it must be that your IP address is occupied. Generally, The situation will prompt: IP conflict
#When there is an IP conflict, please "Open Network and Sharing Center--Local Area Connection" to modify the IP address. (Here you only need to modify the IP number "121" of the machine to other numbers, but only within the range of 255)
If you use a dynamic IP to access the Internet In reality, the yellow exclamation mark is likely to be caused by some software that has tampered with the DNS. At this time, you only need to reset the automatic IP and DNS acquisition.
How to set IP connection properties
Right-click on the desktop "Network Neighborhood" -> Properties -> Local Area Connection -> Right-click to view properties -> Select "Internet Protocol (TCP/IP)" and double-click, the window that opens is the content we want to fill in
IP address: 192.168.1.111 (111 can be other than the same as other machines)
Subnet mask: 255.255.255.0
Default gateway: 192.168.1.1
Preferred DNS server: 202.96.18.86
Alternate DNS server: 202.96. 18.166
Tip: The prerequisite for this kind of problem is that your network and router are normal, and the network card driver is also normal. It can be solved.
The above is the introduction to the solution to the yellow exclamation mark when the computer network connection is limited, the editor is mighty.
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