Incorrect battery information is displayed after you change the batteries on a portable computer that is in hibernation or in a suspended state in Windows Server 2003, Windows XP, or Windows 2000 (889816)

SYMPTOMS

Consider the following scenario: You change the batteries on a portable computer that is in hibernation or in a suspended state, and then you resume the computer. In this scenario, one or more of the following symptoms may occur:

The information that is displayed on the Power Meter tab may be incorrect.

Specifically, information in the following categories on the Power Meter tab may be incorrect:
- Chemistry
- Manufacturer
- Total battery power remaining
The computer remains in low battery hibernation mode, even though the battery may be fully charged. The computer may then shut down because the operating system mistakenly interprets the battery power to be very low.

CAUSE

This problem may occur when the battery information is not correctly updated after you replace the batteries.

For example, this problem may occur in the following scenario:

You put your computer into hibernation or into a suspended state.
You replace the battery with a battery of a different capacity. For example, you use one of the following procedures:
- You change the battery from a larger capacity battery to a smaller capacity battery.
- You change the battery from a smaller capacity battery to a larger capacity battery.

RESOLUTION

Windows XP

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:

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

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.File information 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.

File name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Ntkrnlmp.exe	5.1.2600.2885	2,137,088	12-Apr-2006	00:55	x86	SP2	SP2QFE
Ntkrnlpa.exe	5.1.2600.2885	2,058,368	12-Apr-2006	00:27	x86	SP2	SP2QFE
Ntkrpamp.exe	5.1.2600.2885	2,016,768	12-Apr-2006	00:27	x86	SP2	SP2QFE
Ntoskrnl.exe	5.1.2600.2885	2,181,248	12-Apr-2006	00:58	x86	SP2	SP2QFE

MORE INFORMATION

Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps. To locate the Power Meter tab, follow these steps:

Click Start, and then click Control Panel.
Click Performance and Maintenance.
Click Power Options.

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