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Microsoft Knowledge Base Article

This article contents is Microsoft Copyrighted material.
©2005-©2007 Microsoft Corporation. All rights reserved. Terms of Use | Trademarks
Article ID: 323500 - Last Review: February 12, 2007 - Revision: 1.3

PRB: Audio Does Not Work After You Use "Upgrade Driver" Option in Device Manager

Retired KB ArticleRetired KB Content Disclaimer
View products that this article applies to.
System TipThis article applies to a different version of Windows than the one you are using. Content in this article may not be relevant to you. Visit the Windows Vista Solution Center
This article was previously published under Q323500

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SYMPTOMS

After you use the Upgrade Driver option in Device Manager to replace the current audio driver, audio functionality is no longer available on the system until you restart the computer. This behavior is unique to audio drivers. If you upgrade non-audio drivers by using the Upgrade Driver option, this behavior does not occur.
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CAUSE

This behavior occurs because a portion of the audio driver stack continues to use information that references the original audio driver. This prevents proper interaction between those components and the new audio driver.
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RESOLUTION

After you perform the driver upgrade, restart the computer. This forces the audio driver stack to reinitialize itself.
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MORE INFORMATION

Steps to Reproduce the Problem

  1. In Device Manager, double-click an audio driver listed under Sound, video and game controllers.
  2. Click the Driver tab in the dialog box that appears, and then click Update Driver.
  3. Follow the instructions to install the new driver. After the installation process has completed, you cannot play audio on the system until you restart the computer.
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APPLIES TO
  • Microsoft Windows Millennium Edition
  • Microsoft Windows 98 Second Edition
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Keywords: 
kbnofix kbprb KB323500
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Retired KB ArticleRetired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
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