Microsoft KB Archive/261899

= No APM Support for Dell Latitude Computers Running Windows Millennium Edition =

Article ID: 261899

Article Last Modified on 1/27/2007

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APPLIES TO


 * Microsoft Windows Millennium Edition

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This article was previously published under Q261899



If this article does not describe your hardware-related issue, please see the following Microsoft Web site to view more articles about hardware:

http://support.microsoft.com/default.aspx/w98?sid=460



SYMPTOMS
When you upgrade some Dell Latitude computers to Windows Millennium Edition, the computers may continue to have Advanced Power Management (APM) enabled. Rather than use APM, the computers should be upgraded to Advanced Configuration and Power Interface (ACPI).



CAUSE
These systems have BIOS issues in APM mode that remain unresolved.



RESOLUTION
To prevent this issue, please contact Dell to obtain a new BIOS and tool to run before upgrading to Windows Millennium Edition. The new BIOS and tool enable ACPI and add driver support.

If you have already installed Windows Millennium Edition, it may be necessary to uninstall Windows Millennium Edition, perform the BIOS upgrade and run the tool, and then reinstall Windows Millennium Edition.



STATUS
Dell is only supporting ACPI on their Latitude systems under Windows Millennium Edition, but Latitude systems all shipped in APM mode in Windows 98 Second Edition.



MORE INFORMATION
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

For information about how to contact Dell, click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:

65416 Hardware and Software Third-Party Vendor Contact List, A-K

60781 Hardware and Software Third-Party Vendor Contact List, L-P

60782 Hardware and Software Third-Party Vendor Contact List, Q-Z

Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

Additional query words: HWSYSAPM

Keywords: kbfaq kbprb KB261899

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