Microsoft KB Archive/935267

= The computer wakes when you remove a device from a computer that is running Windows Vista =

Article ID: 935267

Article Last Modified on 10/31/2007

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APPLIES TO


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

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SYMPTOMS
When you remove a device from a Windows Vista-based computer that is asleep, the computer wakes. For example, the computer wakes when you remove a USB keyboard or a USB mouse.

You may not notice when a portable computer that has its lid closed has awakened. Therefore, battery power may be consumed.



CAUSE
This problem occurs because the default configuration of a device in Windows Vista lets it wake the computer.



WORKAROUND
To work around this problem, use Device Manager to prevent the device from waking the computer. To do this, follow these steps:
 * 1) Click Startvistastartbutton.jpg], type devmgmt.msc in the Start Search box, and then click devmgmt.msc in the Programs list.

If you are prompted for an administrator password or for confirmation, type your password, or click Continue.
 * 1) In Device Manager, right-click the device, and then click Properties.

Note To find a USB keyboard or a USB mouse, expand Human Interface Devices.
 * 1) Click the Power Management tab.
 * 2) Click to clear the Allow this device to wake the computer check box.
 * 3) Click OK.



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

Keywords: kbtshoot kbnofix kbprb kbexpertisebeginner KB935267

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