Microsoft KB Archive/922678

= Windows Explorer does not display the correct volume information for a removable media device that is changed when the system is in standby or hibernation in Windows XP SP2 =

Article ID: 922678

Article Last Modified on 2/9/2007

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APPLIES TO

 Microsoft Windows XP Service Pack 2, when used with:  Microsoft Windows XP Home Edition

 Microsoft Windows XP Professional 

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SYMPTOMS
Consider the following scenario:
 * You insert a removable media storage device into a USB 2.0 card reader that is attached to a computer that is running Microsoft Windows XP Service Pack 2 (SP2).
 * You put the computer into standby or hibernation.
 * You replace the removable media storage device with a different removable media storage device.
 * You resume the computer from standby or hibernation.

In this scenario, Windows Explorer may not correctly display the new media device volume information after the computer resumes. For example, Windows Explorer may report the size of the previous device instead of the new device.

Note The device is still available and will work correctly when you encounter this problem.



CAUSE
This problem occurs if the device is replaced when the computer is in a low-power state. The problem occurs in this scenario because no notification message is sent to user-mode applications when the device is replaced. Therefore, Windows Explorer may display incorrect volume information for the device.

However, in this scenario, the file system detects the device change correctly. Therefore, you can access media, and the media device works correctly.



WORKAROUND
To avoid this problem, resume the computer from standby or hibernation before you replace the device.

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

Keywords: kbqfe kbprb kbexpertisebeginner KB922678

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