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

This article has been archived. It is offered "as is" and will no longer be updated.
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 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.

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, submit a request to 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.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				

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

Article ID: 814958 - Last Review: 12/08/2015 02:04:46 - Revision: 1.7

Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Professional Edition, Microsoft Windows 2000 Server

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