When you try to shut down your Microsoft Windows XP-based
computer, you may experience the following symptoms:
- You may receive the following message:
- Your computer may stop responding (hang).
This issue occurs on a computer that supports Advanced Power
Management (APM). By default, this feature is not enabled in Windows XP. If the
BIOS on your computer is set for APM, and you upgrade to Windows XP, you
receive this message when you shutdown the computer, and then the computer
To resolve this issue, follow these steps:
- Click Start, and then click
- In Control Panel, click Performance and
Maintenance, and then click Power Options.
- Click the APM tab.
- Check to select the Enable Advanced Power
Management Support check box, and then click
If you use a computer that does not load a HAL that is
Advanced Configuration Power Interface-compliant (ACPI-compliant), you receive
this message when the shutdown procedure is complete. When you use an
ACPI-compliant basic input/output system (BIOS) with the ACPI HAL, the
operating system can turn off the power supply. Because the standard computer
HAL is loaded on computers that only support APM, the computer does not turn
off when you try to shut down.
For more information about troubleshooting shutdown problems, click the following article number to view the article in the Microsoft Knowledge Base:
Advanced troubleshooting for shutdown problems in Windows XP