Microsoft KB Archive/305826

= ACPI Sleep Button Does Not Wake Computer =

Article ID: 305826

Article Last Modified on 10/18/2005

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APPLIES TO


 * Microsoft Windows Millennium Edition

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This article was previously published under Q305826



SYMPTOMS
If your Advanced Configuration and Power Interface (ACPI) compliant computer entered Standby mode automatically, it may not resume from Standby mode when you press the ACPI SLEEP button. Typically, the hard disk spins up, and then immediately spins down.

CAUSE
When the system automatically enters Standby mode, information that is used to interpret the action to take when the ACPI SLEEP button is pressed is not saved.



RESOLUTION
NOTE: This update supercedes the updates that are described in the following Microsoft Knowledge Base articles:

288430 Laptop Computer Hangs During Docking or Undocking

302103 Hibernation May Take Thirty Seconds More Than Expected

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, 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.

The English version of this fix should have the following file attributes or later:

  Date         Time   Version    Size     File name ---  27-Aug-2001  17:22  4.90.3005  203,994  Ntkern.vxd 27-Aug-2001 17:30  4.90.3006   50,223  Vpowerd.vxd



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



MORE INFORMATION
This problem does not occur if the computer was put into Standby mode from the Start menu, or by pressing the ACPI SLEEP button.

Automatic entry into Standby mode occurs if the computer is idle for an amount of time that was previously configured in the Power Options tool in Control Panel.

The technical ACPI term for Standby is &quot;S1 Sleeping State.&quot;

For additional information about Windows Me hotfixes, click the article number below to view the article in the Microsoft Knowledge Base:

295413 General Information About Windows Millennium Edition Hotfixes

Additional query words: hwsysapm

Keywords: kbhotfixserver kbqfe kbbug kbenv kbfix kbqfe kbui KB305826

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