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This article will explain in detail how to solve the problem that the yellow exclamation mark in the WAN mini port affects the normal network function. The content of the article is of high quality, so the editor shares it for you as a reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

After the machine that installs WIN8 performs a system update, a yellow exclamation mark appears on the WAN miniport (network monitor) in the device manager, which affects the normal network function, as shown below:

Solution:

Once this occurs, you can delete this item temporarily in the following ways.

1 press the Windows key and R key at the same time, type REGEDIT, and click OK to open the Registry Editor. (warning: improper use of the Registry Editor can cause serious problems and may require a reinstallation of the operating system. It is recommended to back up the registry in advance and back up the important data of the computer before operation, so as to avoid accidents during the operation that lead to the inability to enter the system and affect the computer data.

2 locate the following registry subkeys:

HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Control\ Class\ {4D36E972-E325-11CE-BFC1-08002BE10318}

There will be a number of four-digit subitems as shown in the figure

3 Please look for each subitem one by one and find the subitem whose "DriverDesc" value data is "WAN Mini Port (Network Monitor)" on the right. Note that there may be multiple. (be sure to find it carefully and accurately. If you modify the normal project, it may affect the use of the normal network connection.)

4 change the "Characteristics" value data in each found subitem from 29 to 9. Record the name of the modified four-digit project. Restore the settings after the operation is completed.

5 then open the device manager, right-click the "wan Mini Port" project and select Uninstall.

6 return to the registry and restore the previously modified project to 29. Complete the operation.

On how to solve the problem of WAN miniport yellow exclamation mark affecting the normal network function is shared here, I hope the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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