Microsoft KB Archive/257278

= High CPU Usage When Computer Is Running on Battery =

Article ID: 257278

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Windows 2000 Professional Edition

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This article was previously published under Q257278



SYMPTOMS
When a computer is running on battery power, it may experience a period of high processor utilization. Processor usage may reach 100 percent.



CAUSE
Windows 2000 is polling the BIOS for the power status, but is not receiving the data that it expects. It polls again in a loop until the proper data is received. This puts the computer in a high-processor-utilization state.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

This problem was first corrected in Windows 2000 Service Pack 1.

Keywords: kbhotfixserver kbqfe kbbug kbenv kbfix kbhardware kbqfe kbwin2000sp1fix KB257278

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