Domain addition error: "No network protocol is installed for TCP/IP"

Source: Internet
Author: User

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.

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