Windows XP-based portable computer stops responding if you connect or disconnect the AC Power cord while the computer is entering standby

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article has been archived. It is offered "as is" and will no longer be updated.
If the following conditions are true, the Microsoft Windows XP-based computer may stop responding:
  • You are using a Windows XP-based portable computer.
  • The power cord is plugged in or is unplugged when the computer is in the process of entering standby.

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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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 hotfix has the file attributes (or later file attributes) 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.

Windows XP, x86-based versions

   Date         Time   Version            Size    File name   --------------------------------------------------------------   18-Oct-2004  21:46  5.1.2600.1601   1,899,520  Ntkrnlmp.exe        18-Oct-2004  21:46  5.1.2600.1601   1,955,456  Ntkrnlpa.exe        18-Oct-2004  21:46  5.1.2600.1601   1,928,704  Ntkrpamp.exe        18-Oct-2004  22:11  5.1.2600.1601   2,087,936  Ntoskrnl.exe        18-Oct-2004  23:31  5.1.2600.2530   2,135,552  Ntkrnlmp.exe        18-Oct-2004  19:54  5.1.2600.2530   2,056,704  Ntkrnlpa.exe        18-Oct-2004  19:54  5.1.2600.2530   2,015,232  Ntkrpamp.exe        18-Oct-2004  23:25  5.1.2600.2530   2,179,200  Ntoskrnl.exe      

Windows XP, x64-based version

   Date         Time   Version            Size    File name    Platform   --------------------------------------------------------------------   18-Oct-2004  21:41  5.1.2600.1601   5,832,832  Ntkrnlmp.exe     IA-64   18-Oct-2004  21:41  5.1.2600.1601   5,775,744  Ntoskrnl.exe     IA-64
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Technical support for Windows x64 editions

Your hardware manufacturer provides technical support and assistance for Microsoft Windows x64 editions. Your hardware manufacturer provides support because a Windows x64 edition was included with your hardware. Your hardware manufacturer might have customized the Windows x64 edition installation with unique components. Unique components might include specific device drivers or might include optional settings to maximize the performance of the hardware. Microsoft will provide reasonable-effort assistance if you need technical help with your Windows x64 edition. However, you might have to contact your manufacturer directly. Your manufacturer is best qualified to support the software that your manufacturer installed on the hardware.

For product information about Microsoft Windows XP Professional x64 Edition, visit the following Microsoft Web site: For product information about Microsoft Windows Server 2003 x64 editions, visit the following Microsoft Web site:

For more information about the standard terminology that is used to describe Microsoft software updates, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Winx64 Windowsx64 64bit 64-bit

Article ID: 886704 - Last Review: 01/16/2015 08:59:43 - Revision: 2.3

Microsoft Windows XP Home Edition, Microsoft Windows XP Professional

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