Microsoft ACPI Driver - Windows XP Service
ACPI Driver for NT by Microsoft Corporation.
This service also exists in Windows 10, 11, 7, 8 and Vista.
Startup Type
| Windows XP edition | without SP | SP1 | SP2 | SP3 |
|---|---|---|---|---|
| Home | Boot | Boot | Boot | Boot |
| Professional | Boot | Boot | Boot | Boot |
Default Properties
| Display name: | Microsoft ACPI Driver |
| Service name: | ACPI |
| Type: | kernel |
| Path: | %WinDir%\system32\DRIVERS\ACPI.sys |
| Error control: | normal |
| Group: | Boot Bus Extender |
Default Behavior
The Microsoft ACPI Driver service is a kernel driver. If the Microsoft ACPI Driver fails to load or initialize, the error is recorded into the Event Log. Windows XP startup should proceed, but a message box is displayed informing you that the ACPI service has failed to start.
Restore Default Startup Type of Microsoft ACPI Driver
Automated Restore
1. Select your Windows XP edition and Service Pack, and then click on the Download button below.
2. Save the RestoreMicrosoftACPIDriverWindowsXP.bat file to any folder on your hard drive.
3. Run the downloaded batch file.
4. Restart the computer to save changes.
Note. Make sure that the ACPI.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows XP installation media.