Check the computer and find the problem:
1. The computer cannot automatically obtain the IP address
2. An error is reported when a domain is added after the IP address is set manually.
It is estimated that the TCP/IP protocol is damaged. You can reinstall it to solve the problem. The following describes how to reinstall the TCP/IP protocol:
1. Open Registry Editor and delete the following two keys:
HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ Winsock
HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ Winsock2
2. Open the % winroot % \ INF \ nettcpip. inf file in notepad and locate "ms_tcpip.primaryinstall ":
Characteristics = 0xa0 <------ change 0xa0 here to 0x80 and save and exit.
3. Open "TCP/IP properties" for the local connection --- "add protocol" -- "Install from disk" browse and find the saved nettcpip. INF (% winroot % \ INF \ nettcpip. INF) file:
After this step, return to the network connection window, click the "Uninstall" button to delete the TCP/IP protocol, and then restart the computer.
4,After the restart, follow the steps in step 1 to reinstall the TCP/IP protocol.
5. At this time, the computer can automatically obtain the IP address and add the domain smoothly.
This article is from the back to origin blog, please be sure to keep this source http://luozw.blog.51cto.com/3132704/1535995