Battery power may be drained more quickly than expected on your Windows XP-based portable computer (884575)



The information in this article applies to:

  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition

SYMPTOMS

When your Microsoft Windows XP-based portable computer resumes from hibernation, and then you unplug the AC power from the computer, the battery may be drained more quickly than expected. Therefore, the operating system may shut down prematurely.

CAUSE

In this scenario, the Power Options feature in Windows XP may not correctly adjust the CPU state to reduce the amount of battery power that the computer uses.

RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. 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 item in Control Panel.
   Date         Time   Version            Size    File name
   -----------------------------------------------------------
   27-Aug-2004  21:42  5.1.2600.2508      36,096  Intelppm.sys
   27-Aug-2004  21:42  5.1.2600.2508      35,456  Processr.sys

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information, 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


Modification Type:MinorLast Reviewed:6/2/2006
Keywords:kbWinXPsp3fix kbWinXPpreSP3fix kbfix kbbug kbQFE kbHotfixServer KB884575 kbAudEndUser