Microsoft KB Archive/934237

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

Article ID: 934237

Article Last Modified on 6/26/2007

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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

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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 &quot;X&quot; 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



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



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



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

Additional query words: audio codec and MDC Systray system tray Status area

Keywords: kbfix kbhotfixserver kbqfe kbexpertisebeginner kbwinvistapostrtmfix KB934237

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