The Direct3D (D3D) application stops rendering graphics on a Windows Vista-based computer when you switch from integrated graphics to discrete graphics

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Article ID: 942917 - View products that this article applies to.
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SYMPTOMS

On a Windows Vista-based computer that includes PowerXpress technology, you enable the Windows Aero feature. When you switch from integrated graphics to discrete graphics, the Direct3D (D3D) application stops rendering graphics.

The problem also occurs in the following scenario:
  • You have a Windows Vista-based computer that has more than one graphics processing unit (GPU).
  • You switch from one GPU to the other GPU.
  • You use Device Manager to manually disable the GPU from which you switched.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service pack

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 this specific problem. 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

No prerequisites are required.

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 English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Vista, 32-bit versions
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File nameFile versionFile sizeDateTimePlatform
Update.mumNot Applicable2,01927-Nov-200720:04Not Applicable
X86_618d9abd40ae43d92b0c1145bc515afc_31bf3856ad364e35_6.0.6000.20727_none_02469b145f629410.manifestNot Applicable71227-Nov-200720:04Not Applicable
X86_microsoft-windows-d..opwindowmanager-api_31bf3856ad364e35_6.0.6000.20727_none_dea3a4e05bfe5310.manifestNot Applicable8,24827-Nov-200720:04Not Applicable
Dwmapi.dll6.0.6000.2072739,93627-Nov-200704:16x86
Milcore.dll6.0.6000.207272,016,25627-Nov-200704:17x86
Windows Vista, 64-bit versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Amd64_618d9abd40ae43d92b0c1145bc515afc_31bf3856ad364e35_6.0.6000.20727_none_5e65369817c00546.manifestNot Applicable71427-Nov-200720:04Not Applicable
Amd64_b8f2ca9bda5d12ee4ac1ffc5212466ce_31bf3856ad364e35_6.0.6000.20727_none_0b715deaed3077bf.manifestNot Applicable71627-Nov-200720:04Not Applicable
Amd64_microsoft-windows-d..opwindowmanager-api_31bf3856ad364e35_6.0.6000.20727_none_3ac24064145bc446.manifestNot Applicable8,28227-Nov-200720:09Not Applicable
Package_1_for_kb942917~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,81127-Nov-200720:04Not Applicable
Package_2_for_kb942917~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable2,03027-Nov-200720:04Not Applicable
Update.mumNot Applicable1,92527-Nov-200720:04Not Applicable
Dwmapi.dll6.0.6000.2072739,93627-Nov-200705:07x64
Milcore.dll6.0.6000.207272,566,65627-Nov-200705:07x64

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Vista Service Pack 1.

MORE INFORMATION

PowerXpress is feature of AMD's next generation platform for portable computers. This feature dynamically switches between integrated graphics and discrete graphics to extend the computer's battery power.

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.

Properties

Article ID: 942917 - Last Review: May 20, 2008 - Revision: 2.1
APPLIES TO
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Starter
  • Windows Vista Ultimate
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Business 64-bit Edition
Keywords: 
kbautohotfix kbvistasp1fix kbexpertiseinter kbhotfixserver kbqfe KB942917

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