A high definition audio device may no longer work after you resume Windows Vista from hibernation or from sleep

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Article ID: 934237 - View products that this article applies to.
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SYMPTOMS

A high definition audio (HDA) device may no longer work after you resume Windows Vista from sleep or from hibernation. The device may be a sound device or a modem. You may see an "X" character appear on the speaker icon in the notification area.

Because of this problem, you no longer hear any sound, or you cannot use the modem. This problem occurs even though you have installed the update that is described in Microsoft Knowledge Base article 929685. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
929685 A high definition audio device may no longer work after you resume Windows Vista from hibernation or from sleep


Note An updated version of this article and hotfix is now available. To resolve this problem using the latest updates from Microsoft, see the following article in the Microsoft Knowledge Base: For more information, click the following article number to view the article in the Microsoft Knowledge Base:
937077 A high definition audio device may no longer work after you resume Windows Vista from hibernation or from sleep

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

Update information

To resolve these problems, install the update that is described in Microsoft Knowledge Base article 937077.

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

For more information, 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

Related Information:

Troubleshooter: No audio in Windows

Music and sound help with Windows 7

Properties

Article ID: 934237 - Last Review: October 9, 2011 - Revision: 7.0
APPLIES TO
  • Windows Vista Ultimate
  • Windows Vista Enterprise
  • Windows Vista Business
  • Windows Vista Home Premium
  • Windows Vista Home Basic
  • Windows Vista Starter
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Business 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Business N 64-bit Edition
  • Windows Vista Business N
  • Windows Vista Home Basic N 64-bit Edition
  • Windows Vista Home Basic N
Keywords: 
kbvistasp1fix kbfix kbHotfixServer kbqfe kbexpertisebeginner kbwinvistapostrtmfix KB934237

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