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What's wrong with domain name resolution?
First, confirm whether there is a problem with DNS:

1. Open the CMD command line window and enter nslookup for confirmation.

2. Enter the domain name corresponding to the website you are familiar with. If a DNS request timeout occurs, a timeout of 2 seconds indicates that DNS failed.

Second, the DNS solution:

1. Find Start-Run-Enter CMD to open the command line window.

2. Enter ipconfig /all command to query network parameters.

3. Check the DNS servers of other Internet users in the same LAN in the same way. Just exchange yours for someone else's.

4. If you can't surf the Internet normally only by changing the DNS server, you need to manually configure the IP address and change the last paragraph of the IP address to be different from others.