Microsoft KB Archive/937077

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

Article ID: 937077

Article Last Modified on 7/10/2007

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APPLIES TO


 * Windows Vista Home Basic 64-bit Edition
 * Windows Vista Home Premium 64-bit Edition
 * Windows Vista Business 64-bit Edition
 * Windows Vista Enterprise 64-bit Edition
 * Windows Vista Ultimate 64-bit Edition
 * Windows Vista Starter
 * Windows Vista Home Basic
 * Windows Vista Home Premium
 * Windows Vista Business
 * Windows Vista Enterprise
 * Windows Vista Ultimate

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SYMPTOMS
A high definition audio (HDA) device may no longer work after you resume a Windows Vista-based computer from hibernation or from sleep. The HDA 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
This article contains an updated version of the updates that are described in Microsoft Knowledge Base articles 929685 and 934237. If you have installed either of the previous updates, and if the problem still occurs, we recommend that you install this update.

To resolve this problem, install update 937077. To install this update, visit the following Microsoft Web site:

http://windowsupdate.microsoft.com

Update information
The following files are available for download from the Microsoft Download Center:

Windows Vista
Download the 937077 package now.

Windows Vista for x64-based systems
Download the 937077 package now.

Release Date: June 26, 2007

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites
No prerequisites are required.

Restart requirement
You must restart the computer after you install this update.

Update replacement information
This update replaces the following previously-released updates:

929685 A high definition audio device may no longer work after you resume Windows Vista from sleep or from hibernation and then restart the computer

934237 A high definition audio device may no longer work after you resume Windows Vista from hibernation or from sleep

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, 64-bit versions


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: kbbug kbfix kbqfe kbprb atdownload kbexpertisebeginner kbwinvistapostrtmfix KB937077

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