Article ID: 814958 - Last Review: February 20, 2007 - Revision: 1.7

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

Hotfix Download Available
View and request hotfix downloads

View products that this article applies to.

System TipThis article applies to a different operating system than the one you are using. Article content that may not be relevant to you is disabled.

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.

Back to the top

RESOLUTION

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 (http://support.microsoft.com/kb/260910/EN-US/ ) How to Obtain the Latest Windows 2000 Service Pack

Back to the top

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:

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

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

Back to the top

WORKAROUND

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

Back to the top

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.

Back to the top