Computer stops responding after you put it into hibernation, and then resume it from hibernation many times

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Article ID: 822827 - View products that this article applies to.
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When you put your computer into an S4 sleep state (hibernation), and then resume it from hibernation many times, your computer may eventually stop responding (hang) before it enters hibernation. For example, the computer may stop responding after you put it into hibernation and then resume it from hibernation approximately 300 times.


This problem may occur if both the following conditions are true:
  • The Real Time Clock (RTC) wake-up feature is turned on.
  • You use the RTC wake-up feature to resume the computer from hibernation.


Service pack information

To resolve this problem, obtain the latest service pack for Microsoft 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

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.


No prerequisites are required.

Restart Information

You must restart your computer after you apply this hotfix.

Hotfix Replacement Information

This hotfix does not replace any other hotfixes.

File Information

The English version of this hotfix 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
   26-Jun-2003  18:08  5.1.2600.1240     128,512  Halaacpi.dll     
   26-Jun-2003  18:08  5.1.2600.1240      78,208  Halacpi.dll      
   26-Jun-2003  18:08  5.1.2600.1240     130,688  Halmacpi.dll
   26-Jun-2003  18:34  5.1.2600.115      128,640  Halaacpi.dll     
   26-Jun-2003  18:34  5.1.2600.115       78,208  Halacpi.dll      
   26-Jun-2003  18:34  5.1.2600.115      130,816  Halmacpi.dll


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article. This problem was first corrected in Microsoft Windows XP Service Pack 2.


For more information about Windows power management and Advanced Configuration and Power Interface (ACPI) power states, visit the following Microsoft Web site:


Article ID: 822827 - Last Review: August 29, 2007 - Revision: 4.1
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
kbautohotfix kbhotfixserver kbqfe kbwinxpsp2fix kbqfe kbwinxppresp2fix kbfix kbbug KB822827

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