Symptoms

Assume that you use one of the following Realtek network adapters on a computer that is running Windows 8:

  • pci\ven_10ec&dev_8168&subsys_15b110cf&rev_0c

  • pci\ven_10ec&dev_8168&subsys_380217aa&rev_0c

After you upgrade to Windows 8.1, the network connection is not available.  

Cause

This issue occurs because the driver that is included in Windows 8.1 is used instead of the correct driver. 

Resolution

How to obtain this update

This update is applied when you upgrade to Windows 8.1. No interaction is required to apply this update.

Prerequisites

To apply this update, you must be running Windows 8.1.

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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