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Article ID: 2293330 - Last Review: August 16, 2011 - Revision: 1.1

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SYMPTOMS

On some older HP notebook models that are running Windows 7, you may incorrectly receive the following warning message from the Windows Battery Meter:

Consider replacing your battery.

Additionally, a red "X" may appear on the battery icon in the notification area. However, the battery may still be in sufficient health. This issue is known to occur on the DV9000 and DV 67000 series of notebooks.

CAUSE

This issue occurs on these notebook models, which were not originally designed for Windows 7, because the system firmware (BIOS) incorrectly reports the Design Capacity of the battery to the operating system.

The "Consider replacing your battery" message is displayed when the Last Full Charge Capacity is less than 40% of the reported battery Design Capacity. Both the Last Full Charge Capacity and the reported battery Design Capacity are retrieved by Windows from the system ACPI firmware (BIOS). On these older HP notebook models, the retrieved battery Design Capacity is incorrectly reported as 88,800mWh even though the battery’s actual design capacity is lower. This firmware error can then cause the "Consider replacing your battery" warning to incorrectly display when the Last Full Charge Capacity is still greater than 40% of the battery’s actual design capacity.

RESOLUTION

There is a Windows update that will remove the incorrectly reported battery message for only the affected systems. This update does not change any other behavior on the computer and will not change the actual battery life in any way. The update will only be offered if Windows Update detects that this update applies to your computer.

Additionally, HP provides a Battery Check Utility that may be installed as part of the HP Support Assistant. Running the Battery Check Utility will give an accurate view of the battery health and whether replacement should be considered.

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Update information

How to obtain this update

To obtain this update, visit the following Microsoft Windows Update website:
http://update.microsoft.com (http://update.microsoft.com)
Note This update is available only from the Microsoft Windows Update website. Additionally, this update is offered only if Windows Update detects that the update applies to your computer

Prerequisites

This update applies to only computers that have the affected firmware (BIOS).

Registry information

To use the update in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows 7 file information notes
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    Collapse this tableExpand this table
    VersionProductMilestoneService branch
    6.1.760 0.16xxxWindows 7 and Windows Server 2008 R2RTMGDR
    6.1.760 0.20xxxWindows 7 and Windows Server 2008 R2RTMLDR
  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) that are installed for each environment are listed separately in the "Additional file information for Windows 7" section. MANIFEST files and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Batmeter.dll6.1.7600.16675740,35214-Sep-201006:02x86
Batmeter.dll6.1.7600.20799740,35214-Sep-201004:33x86
For all supported x64-based versions of Windows 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Batmeter.dll6.1.7600.16675749,05614-Sep-201006:45x64
Batmeter.dll6.1.7600.20799749,05614-Sep-201005:20x64

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 about the “Consider replacing your battery” notification and additional battery information, please visit the following Microsoft websites:
What should I do if I receive a "Consider replacing your battery" notification? (http://windows.microsoft.com/en-US/windows7/consider-replacing-your-battery)
Solutions to common battery problems (http://windows.microsoft.com/en-US/windows7/Solutions-to-common-battery-problems)
Taking care of your laptop's battery (http://windows.microsoft.com/en-US/windows7/Taking-care-of-your-laptop-battery)
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows 7

Additional files for all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameX86_22caeae5b44ec5235b76ac4f595dc70b_31bf3856ad364e35_6.1.7600.20799_none_23cea3ce80992c71.manifest
File versionNot applicable
File size696
Date (UTC)16-Sep-2010
Time (UTC)02:53
PlatformNot applicable

File nameX86_2a7bf2c7d68d794355d78c9d4a556a03_31bf3856ad364e35_6.1.7600.20799_none_e7262ca79e0f5e65.manifest
File versionNot applicable
File size721
Date (UTC)16-Sep-2010
Time (UTC)02:53
PlatformNot applicable

File nameX86_66af5d351e1df700515bc3275a46e806_31bf3856ad364e35_6.1.7600.16675_none_cff649d6b0fcfa4d.manifest
File versionNot applicable
File size721
Date (UTC)16-Sep-2010
Time (UTC)02:53
PlatformNot applicable

File nameX86_a5ef45b910979384c64944acd0dbcf5b_31bf3856ad364e35_6.1.7600.16675_none_daa456012f8bcdd4.manifest
File versionNot applicable
File size696
Date (UTC)16-Sep-2010
Time (UTC)02:53
PlatformNot applicable

File nameX86_microsoft-windows-b..arningnotapplicable_31bf3856ad364e35_6.1.7600.16675_none_d9ae833bb331fc4e.manifest
File versionNot applicable
File size1,719
Date (UTC)14-Sep-2010
Time (UTC)06:35
PlatformNot applicable

File nameX86_microsoft-windows-b..arningnotapplicable_31bf3856ad364e35_6.1.7600.20799_none_da268156cc5c3956.manifest
File versionNot applicable
File size1,719
Date (UTC)14-Sep-2010
Time (UTC)04:57
PlatformNot applicable

File nameX86_microsoft-windows-batmeter_31bf3856ad364e35_6.1.7600.16675_none_164d42de29e2a53f.manifest
File versionNot applicable
File size2,364
Date (UTC)14-Sep-2010
Time (UTC)06:45
PlatformNot applicable

File nameX86_microsoft-windows-batmeter_31bf3856ad364e35_6.1.7600.20799_none_16c540f9430ce247.manifest
File versionNot applicable
File size2,364
Date (UTC)14-Sep-2010
Time (UTC)05:08
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7
Collapse this tableExpand this table
File nameAmd64_37685514d1d8db6813b4090baa80510c_31bf3856ad364e35_6.1.7600.16675_none_e93ad9ccb187aba0.manifest
File versionNot applicable
File size1,040
Date (UTC)16-Sep-2010
Time (UTC)02:53
PlatformNot applicable

File nameAmd64_68fb0cf437ecd40652894dcf74ee18a0_31bf3856ad364e35_6.1.7600.20799_none_459b227632d9aca3.manifest
File versionNot applicable
File size1,040
Date (UTC)16-Sep-2010
Time (UTC)02:53
PlatformNot applicable

File nameAmd64_8595ced9db22285528e1dfafd8408c73_31bf3856ad364e35_6.1.7600.20799_none_e380074a5dc27d00.manifest
File versionNot applicable
File size725
Date (UTC)16-Sep-2010
Time (UTC)02:53
PlatformNot applicable

File nameAmd64_bf22538d54e6797ef6c39d23d9f9998b_31bf3856ad364e35_6.1.7600.16675_none_22524c94eb02c13a.manifest
File versionNot applicable
File size725
Date (UTC)16-Sep-2010
Time (UTC)02:53
PlatformNot applicable

File nameAmd64_microsoft-windows-b..arningnotapplicable_31bf3856ad364e35_6.1.7600.16675_none_35cd1ebf6b8f6d84.manifest
File versionNot applicable
File size1,721
Date (UTC)14-Sep-2010
Time (UTC)07:17
PlatformNot applicable

File nameAmd64_microsoft-windows-b..arningnotapplicable_31bf3856ad364e35_6.1.7600.20799_none_36451cda84b9aa8c.manifest
File versionNot applicable
File size1,721
Date (UTC)14-Sep-2010
Time (UTC)05:53
PlatformNot applicable

File nameAmd64_microsoft-windows-batmeter_31bf3856ad364e35_6.1.7600.16675_none_726bde61e2401675.manifest
File versionNot applicable
File size2,368
Date (UTC)14-Sep-2010
Time (UTC)07:27
PlatformNot applicable

File nameAmd64_microsoft-windows-batmeter_31bf3856ad364e35_6.1.7600.20799_none_72e3dc7cfb6a537d.manifest
File versionNot applicable
File size2,368
Date (UTC)14-Sep-2010
Time (UTC)06:03
PlatformNot applicable

APPLIES TO
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Enterprise
  • Windows 7 Ultimate
Keywords: 
atdownload kbhotfixserver kbfix kbsurveynew kbexpertiseinter KB2293330
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