Device Manager does not display a Bluetooth device in Windows 7 or in Windows Server 2008 R2

Symptoms

Consider the following scenario:

  • You connect a USB composite device to a computer that is running Windows 7 or Windows Server 2008 R2.

  • The USB composite device contains one Bluetooth device and some other devices.

  • The interface of the Bluetooth device is not the first interface in the USB composite device.

In this scenario, Device Manager does not display the Bluetooth device.

Resolution

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is 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 Web site:

http://support.microsoft.com/contactus/?ws=supportNote 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 be running one of the following operating systems:

  • Windows 7

  • Windows 7 Service Pack 1 (SP1)

  • Windows Server 2008 R2

  • Windows Server 2008 R2 Service Pack (SP1)

Registry information

To use the hotfix in this package, 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.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 7 and Windows Server 2008 R2 file information notes


Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    SR_Level

    Service branch

    6.1.760
    0.16xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    GDR

    6.1.760
    0.20xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    LDR

    6.1.760
    1.17xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    GDR

    6.1.760
    1.21xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, very important issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Bthport.sys

6.1.7600.16740

393,216

15-Jan-2011

04:04

x86

Bthusb.sys

6.1.7600.16740

60,416

15-Jan-2011

04:04

x86

Bthport.sys

6.1.7600.20882

393,216

17-Jan-2011

03:55

x86

Bthusb.sys

6.1.7600.20882

60,416

17-Jan-2011

03:55

x86

Bthport.sys

6.1.7601.17544

393,216

17-Jan-2011

04:08

x86

Bthusb.sys

6.1.7601.17544

60,416

17-Jan-2011

04:08

x86

Fsquirt.exe

6.1.7601.17514

219,648

20-Nov-2010

12:17

x86

Bthport.sys

6.1.7601.21642

393,216

15-Jan-2011

04:01

x86

Bthusb.sys

6.1.7601.21642

60,416

15-Jan-2011

04:01

x86

Fsquirt.exe

6.1.7601.17514

219,648

20-Nov-2010

12:17

x86

For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Bthport.sys

6.1.7600.16740

552,448

15-Jan-2011

04:29

x64

Bthusb.sys

6.1.7600.16740

80,384

15-Jan-2011

04:29

x64

Bthport.sys

6.1.7600.20882

552,448

17-Jan-2011

04:24

x64

Bthusb.sys

6.1.7600.20882

80,384

17-Jan-2011

04:23

x64

Bthport.sys

6.1.7601.17544

552,960

17-Jan-2011

09:01

x64

Bthusb.sys

6.1.7601.17544

80,384

17-Jan-2011

09:01

x64

Fsquirt.exe

6.1.7601.17514

229,376

20-Nov-2010

13:24

x64

Bthport.sys

6.1.7601.21642

552,960

15-Jan-2011

04:33

x64

Bthusb.sys

6.1.7601.21642

80,384

15-Jan-2011

04:33

x64

Fsquirt.exe

6.1.7601.17514

229,376

20-Nov-2010

13:24

x64

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 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7

File name

Update-bf.mum

File version

Not applicable

File size

2,234

Date (UTC)

17-Jan-2011

Time (UTC)

21:27

Platform

Not applicable

File name

X86_bth.inf_31bf3856ad364e35_6.1.7600.16740_none_724160351cc8d32b.manifest

File version

Not applicable

File size

3,492

Date (UTC)

17-Jan-2011

Time (UTC)

21:30

Platform

Not applicable

File name

X86_bth.inf_31bf3856ad364e35_6.1.7600.20882_none_72a1bde436051567.manifest

File version

Not applicable

File size

3,492

Date (UTC)

17-Jan-2011

Time (UTC)

21:30

Platform

Not applicable

File name

X86_bth.inf_31bf3856ad364e35_6.1.7601.17544_none_742bbe6319eba473.manifest

File version

Not applicable

File size

3,492

Date (UTC)

17-Jan-2011

Time (UTC)

21:30

Platform

Not applicable

File name

X86_bth.inf_31bf3856ad364e35_6.1.7601.21642_none_74b35a9a330b118f.manifest

File version

Not applicable

File size

3,492

Date (UTC)

17-Jan-2011

Time (UTC)

21:30

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

Amd64_bth.inf_31bf3856ad364e35_6.1.7600.16740_none_ce5ffbb8d5264461.manifest

File version

Not applicable

File size

3,496

Date (UTC)

17-Jan-2011

Time (UTC)

21:27

Platform

Not applicable

File name

Amd64_bth.inf_31bf3856ad364e35_6.1.7600.20882_none_cec05967ee62869d.manifest

File version

Not applicable

File size

3,496

Date (UTC)

17-Jan-2011

Time (UTC)

21:27

Platform

Not applicable

File name

Amd64_bth.inf_31bf3856ad364e35_6.1.7601.17544_none_d04a59e6d24915a9.manifest

File version

Not applicable

File size

3,496

Date (UTC)

17-Jan-2011

Time (UTC)

21:27

Platform

Not applicable

File name

Amd64_bth.inf_31bf3856ad364e35_6.1.7601.21642_none_d0d1f61deb6882c5.manifest

File version

Not applicable

File size

3,496

Date (UTC)

17-Jan-2011

Time (UTC)

21:27

Platform

Not applicable

File name

Update-bf.mum

File version

Not applicable

File size

2,250

Date (UTC)

17-Jan-2011

Time (UTC)

21:27

Platform

Not applicable

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