Windows logo key+P keyboard shortcut does not extend the desktop to multiple monitors correctly in Windows 7 or in Windows Server 2008 R2

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Article ID: 2581613 - View products that this article applies to.
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Symptoms

Consider the following scenario:  
  • You have a computer that is running Windows 7 or Windows Server 2008 R2.
  • The computer uses an AMD Vancouver series Graphics Processing Unit (GPU) that supports display extension to no more than two non-DisplayPort monitors. 
  • You connect three non-DisplayPort monitors to the computer, and configure the desktop to display in Clone mode.
  • You try to use the Windows logo key+P keyboard shortcut to extend the desktop.
In this scenario, the desktop is not displayed in Extended Desktop mode, and continues to be displayed in Clone mode.

Note The display extension operation fails because the GPU does not support Extended Desktop mode on more than two monitors. However, the desktop should be extended to as many monitors as the GPU supports, instead of reverting to Clone mode.

Resolution

After you install this hotfix, the desktop is extended to the supported number of monitors when you use the Windows logo key+P keyboard shortcut.

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=support
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 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 1 (SP1)
For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

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
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    Collapse this tableExpand this table
    VersionProductMilestoneService branch
    6.1.760 0.16xxxWindows 7 and Windows Server 2008 R2RTMGDR
    6.1.760 0.21xxxWindows 7 and Windows Server 2008 R2RTMLDR
    6.1.760 1.17xxxWindows 7 and Windows Server 2008 R2SP1GDR
    6.1.760 1.21xxxWindows 7 and Windows Server 2008 R2SP1LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, extremely 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
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Cdd.dll6.1.7600.16699107,52002-Nov-201004:23x86
Dxgkrnl.sys6.1.7600.16849728,44815-Jul-201104:40x86
Dxgmms1.sys6.1.7600.16849219,00815-Jul-201104:40x86
Lddmcore.ptxmlNot applicable1,15101-Nov-201023:04Not applicable
Cdd.dll6.1.7600.21009107,52015-Jul-201107:08x86
Dxgkrnl.sys6.1.7600.21009729,47215-Jul-201107:32x86
Dxgmms1.sys6.1.7600.21009219,00815-Jul-201107:32x86
Lddmcore.ptxmlNot applicable1,15113-Jul-200920:32Not applicable
Cdd.dll6.1.7601.17514107,52020-Nov-201011:56x86
Dxgkrnl.sys6.1.7601.17650728,44815-Jul-201104:34x86
Dxgmms1.sys6.1.7601.17650219,00815-Jul-201104:34x86
Lddmcore.ptxmlNot applicable1,15113-Jul-200920:32Not applicable
Cdd.dll6.1.7601.17514107,52020-Nov-201011:56x86
Dxgkrnl.sys6.1.7601.21771729,47215-Jul-201105:47x86
Dxgmms1.sys6.1.7601.21771219,00815-Jul-201105:47x86
Lddmcore.ptxmlNot applicable1,15113-Jul-200920:32Not applicable
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Cdd.dll6.1.7600.16699144,38402-Nov-201004:59x64
Dxgkrnl.sys6.1.7600.16849982,91215-Jul-201105:22x64
Dxgmms1.sys6.1.7600.16849265,08815-Jul-201105:22x64
Lddmcore.ptxmlNot applicable1,15101-Nov-201022:58Not applicable
Cdd.dll6.1.7600.21009144,38415-Jul-201107:09x64
Dxgkrnl.sys6.1.7600.21009983,93615-Jul-201107:34x64
Dxgmms1.sys6.1.7600.21009265,08815-Jul-201107:34x64
Lddmcore.ptxmlNot applicable1,15113-Jul-200920:25Not applicable
Cdd.dll6.1.7601.17554144,38403-Feb-201111:25x64
Dxgkrnl.sys6.1.7601.17650982,91215-Jul-201105:38x64
Dxgmms1.sys6.1.7601.17650265,08815-Jul-201105:38x64
Lddmcore.ptxmlNot applicable1,15108-Jul-201018:22Not applicable
Cdd.dll6.1.7601.17514144,38420-Nov-201012:55x64
Dxgkrnl.sys6.1.7601.21771983,93615-Jul-201105:24x64
Dxgmms1.sys6.1.7601.21771265,08815-Jul-201105:24x64
Lddmcore.ptxmlNot applicable1,15113-Jul-200920:25Not applicable
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Cdd.dll6.1.7600.16595347,64819-May-201014:27IA-64
Dxgkrnl.sys6.1.7600.168492,502,01615-Jul-201104:14IA-64
Dxgmms1.sys6.1.7600.16849669,05615-Jul-201104:14IA-64
Lddmcore.ptxmlNot applicable1,15113-Jul-200920:25Not applicable
Cdd.dll6.1.7600.21009347,13615-Jul-201107:02IA-64
Dxgkrnl.sys6.1.7600.210092,504,57615-Jul-201107:23IA-64
Dxgmms1.sys6.1.7600.21009669,05615-Jul-201107:23IA-64
Lddmcore.ptxmlNot applicable1,15113-Jul-200920:25Not applicable
Cdd.dll6.1.7601.17514347,13620-Nov-201010:06IA-64
Dxgkrnl.sys6.1.7601.176502,502,01615-Jul-201104:11IA-64
Dxgmms1.sys6.1.7601.17650669,05615-Jul-201104:11IA-64
Lddmcore.ptxmlNot applicable1,15113-Jul-200920:25Not applicable
Cdd.dll6.1.7601.17514347,13620-Nov-201010:06IA-64
Dxgkrnl.sys6.1.7601.217712,504,57615-Jul-201104:14IA-64
Dxgmms1.sys6.1.7601.21771669,56815-Jul-201104:14IA-64
Lddmcore.ptxmlNot applicable1,15113-Jul-200920:25Not applicable

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
Collapse this tableExpand this table
File nameUpdate.mum
File versionNot applicable
File size2,301
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameX86_49383c8e7cf04f9828c04965cca4a0ad_31bf3856ad364e35_6.1.7600.21009_none_49bd3bcf40e8cec5.manifest
File versionNot applicable
File size696
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameX86_7fc665c8cc3d3efcfa5260d51f554db4_31bf3856ad364e35_6.1.7600.16849_none_7777c787f2097f2f.manifest
File versionNot applicable
File size696
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameX86_b5ecdafa52d27a5b09ef8ad535a41478_31bf3856ad364e35_6.1.7601.21771_none_bf2b50008cf3ce22.manifest
File versionNot applicable
File size696
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameX86_b62cdb20bd97655e9c4c62c183b0522d_31bf3856ad364e35_6.1.7601.17650_none_d54a4a1eac357cca.manifest
File versionNot applicable
File size696
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameX86_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7600.16849_none_abce391844bc4248.manifest
File versionNot applicable
File size13,305
Date (UTC)15-Jul-2011
Time (UTC)10:32
PlatformNot applicable
File nameX86_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7600.21009_none_ac82edb55db9a590.manifest
File versionNot applicable
File size13,193
Date (UTC)15-Jul-2011
Time (UTC)07:53
PlatformNot applicable
File nameX86_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7601.17650_none_ada0c39841f2e616.manifest
File versionNot applicable
File size13,305
Date (UTC)15-Jul-2011
Time (UTC)10:32
PlatformNot applicable
File nameX86_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7601.21771_none_ae15c0d55b1fd719.manifest
File versionNot applicable
File size13,305
Date (UTC)15-Jul-2011
Time (UTC)10:32
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_0ae8d12b5f8387b4a956397d00d6a815_31bf3856ad364e35_6.1.7600.21009_none_322aeb728213f016.manifest
File versionNot applicable
File size700
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameAmd64_37e978739795b460a62d441fe4e2cdd1_31bf3856ad364e35_6.1.7601.21771_none_96d987af185b338d.manifest
File versionNot applicable
File size700
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameAmd64_38b26690f17e2fb675d9c14195ed09bb_31bf3856ad364e35_6.1.7600.16849_none_89521afdbb7a3b1c.manifest
File versionNot applicable
File size700
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameAmd64_fd058d3eac28f16e3b0fc728ae859fbe_31bf3856ad364e35_6.1.7601.17650_none_429f5382b613005c.manifest
File versionNot applicable
File size700
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameAmd64_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7600.16849_none_07ecd49bfd19b37e.manifest
File versionNot applicable
File size13,309
Date (UTC)15-Jul-2011
Time (UTC)10:36
PlatformNot applicable
File nameAmd64_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7600.21009_none_08a18939161716c6.manifest
File versionNot applicable
File size13,197
Date (UTC)15-Jul-2011
Time (UTC)08:43
PlatformNot applicable
File nameAmd64_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7601.17650_none_09bf5f1bfa50574c.manifest
File versionNot applicable
File size13,309
Date (UTC)15-Jul-2011
Time (UTC)10:36
PlatformNot applicable
File nameAmd64_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7601.21771_none_0a345c59137d484f.manifest
File versionNot applicable
File size13,309
Date (UTC)15-Jul-2011
Time (UTC)10:36
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,739
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_0d1bc65e07066288ba693ced194c9047_31bf3856ad364e35_6.1.7601.17650_none_268543d91604fe86.manifest
File versionNot applicable
File size698
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameIa64_197ec98260037dd294f8507d467f2230_31bf3856ad364e35_6.1.7600.16849_none_792d4db7c7d4d49a.manifest
File versionNot applicable
File size698
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameIa64_8f547d280cc80c11b90247812be0bea3_31bf3856ad364e35_6.1.7600.21009_none_ec4f007772588b59.manifest
File versionNot applicable
File size698
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameIa64_95487ff999981adc2b4ac6ce4c9b2679_31bf3856ad364e35_6.1.7601.21771_none_3fe0f7bb0b8e46a4.manifest
File versionNot applicable
File size698
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameIa64_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7600.16849_none_abcfdd0e44ba4b44.manifest
File versionNot applicable
File size13,307
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameIa64_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7600.21009_none_ac8491ab5db7ae8c.manifest
File versionNot applicable
File size13,195
Date (UTC)15-Jul-2011
Time (UTC)08:40
PlatformNot applicable
File nameIa64_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7601.17650_none_ada2678e41f0ef12.manifest
File versionNot applicable
File size13,307
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameIa64_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7601.21771_none_ae1764cb5b1de015.manifest
File versionNot applicable
File size13,307
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,168
Date (UTC)15-Jul-2011
Time (UTC)10:27
PlatformNot applicable

Properties

Article ID: 2581613 - Last Review: June 21, 2014 - Revision: 2.0
Applies to
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 Standard
  • Windows Web Server 2008 R2
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsapolicy kbsurveynew kbexpertiseinter KB2581613

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