Microsoft KB Archive/814958

= USB Keyboard and Mouse Devices Do Not Work Correctly If You Reconnect Them While Windows Is Running =

Article ID: 814958

Article Last Modified on 2/20/2007

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APPLIES TO


 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Server

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SYMPTOMS
When you disconnect and then reconnect a keyboard or a mouse to the Universal Serial Bus (USB) port on your computer while the operating system is running, the keyboard or mouse may not work or they may not be detected by Windows.



Service Pack Information
To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

Hotfix Information
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows 2000 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix has the file attributes (or later) 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 tool in Control Panel.   Date         Time     Version        Size        File name 20-Feb-2003 13:37   5.0.2195.6666     24,528   Kbdclass.sys 20-Feb-2003 13:37   5.0.2195.6666     21,776   Mouclass.sys



WORKAROUND
To work around this problem, restart your computer after you reconnect the mouse or keyboard to the USB port.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.

Keywords: kbhotfixserver kbqfe kbwin2ksp4fix kbqfe kbwin2000presp4fix kbfix kbbug KB814958

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