Computer Does Not Resume When You Press a Key on Your USB Keyboard

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Article ID: 314293 - View products that this article applies to.
This article was previously published under Q314293
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SYMPTOMS

When you press a key on your Universal Serial Bus (USB) keyboard, use a USB mouse, or use the computer's power button to resume your computer from standby (an S3 state), the first keystroke may be lost. Although subsequent key strokes wake the computer, these key strokes are passed along to the program that currently has focus.

CAUSE

When the computer wakes up from Standby mode by using a USB keyboard, the host controller driver may not preserve the data toggle bit. This may prevent the host controller from receiving correct data when the computer resumes from an S3 state.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to Obtain the Latest Windows XP Service Pack
The English version of this fix should have the following file attributes or later:
   Date         Time   Version      Size    File name

   ----------------------------------------------------
   20-Dec-2001  14:32  5.1.2600.26  15,616  Usbohci.sys
				

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 Windows XP Service Pack 1.

Properties

Article ID: 314293 - Last Review: May 17, 2007 - Revision: 1.3
APPLIES TO
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
Keywords: 
kbhotfixserver kbqfe kbbug kbenv kbfix kboswin2000fix kbwinxpsp1fix KB314293

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