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When you resume a Windows Vista-based computer from sleep, you may experience unexpected behavior from a USB device

When you resume a Windows Vista-based computer from sleep, you may experience unexpected behavior from a USB device. This problem occurs on a computer that uses Open Host Controller Interface (OHCI) host controllers. This problem may cause unexpected behavior.
This problem occurs because Windows Vista may not provide enough "resume" recovery time for OHCI host controllers. The USB 1.1 bus specifications require that the operating system provide resume recovery time of at least 10 milliseconds (ms). This problem occurs if the USB drivers resume the Universal Host Controller Interface (UHCI) host controller and the OHCI host controller in less than 10 ms.

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: 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.

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, x86-based versions
File nameFile versionFile sizeDateTimePlatform
Update.mumNot applicable2,71714-Apr-200712:15Not applicable
X86_usb.inf_31bf3856ad364e35_6.0.6000.20579_none_c95914752a9a0fa0.manifestNot applicable2,35614-Apr-200712:16Not applicable
X86_usbport.inf_31bf3856ad364e35_6.0.6000.20579_none_bc230cf21fb55d87.manifestNot applicable5,38614-Apr-200712:16Not applicable
Usbd.sys6.0.6000.205795,88814-Apr-200703:06Not applicable
Windows Vista, 64-bit versions
File nameFile versionFile sizeDateTimePlatform
Amd64_usb.inf_31bf3856ad364e35_6.0.6000.20579_none_2577aff8e2f780d6.manifestNot applicable2,35814-Apr-200712:20Not applicable
Amd64_usbport.inf_31bf3856ad364e35_6.0.6000.20579_none_1841a875d812cebd.manifestNot applicable5,38814-Apr-200712:20Not applicable
Update.mumNot applicable2,73314-Apr-200712:15Not applicable
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 about terminology that is used to describe Microsoft software updates, 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
power state power-saving laptop portable mobile PC specification

Article ID: 935783 - Last Review: 06/21/2014 13:06:00 - Revision: 5.0

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

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