Bluetooth devices unrecognized after a computer resumes from sleep or hibernate state in Windows 8.1 or Windows 7

Applies to: Windows 8.1Windows 8.1 EnterpriseWindows 8.1 Pro

Symptoms


Consider the following scenario:
  • You have a Windows 8.1-based or Windows 7-based computer that uses AMD Beema.
  • You connect multiple Bluetooth devices to the computer, and they are connected to the same universal serial bus (USB) hub.
  • You put the computer in to sleep or hibernate state, and then resume the computer.
In this scenario, some Bluetooth devices cannot be recognized and therefore cannot be used.

Cause


This issue occurs because of a bug in the USB hub low level driver.

Resolution


Update information

To resolve this issue, install the following update in Windows 8.1:
2955164 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: May 2014

Hotfix information for Windows 8.1 and Windows 7

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must have update 2919355 for Windows 8.1 or Service Pack 1 for Windows 7 installed.

Registry information

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

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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

Additional file information

Additional file information for Windows 8.1

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Date (UTC)18-Apr-2014
Time (UTC)22:01
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Additional file information for Windows 7



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Additional files for all supported x64-based versions of Windows 7
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