Microsoft Windows Management Interface for ACPI (WmiAcpi) Service Defaults in Windows 10

Windows Management Interface for ACPI by Microsoft Corporation.

Default Settings

Startup type:Manual
Display name:Microsoft Windows Management Interface for ACPI
Service name:WmiAcpi
Service type:kernel
Error control:normal
Group:Extended Base
Path:%SystemRoot%\System32\drivers\wmiacpi.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WmiAcpi

Default Behavior

Microsoft Windows Management Interface for ACPI is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If Microsoft Windows Management Interface for ACPI fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the WmiAcpi service has failed to start due to the error.

Restore Default Startup Configuration of Microsoft Windows Management Interface for ACPI

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config WmiAcpi start= demand

3. Close the command window and restart the computer.

The WmiAcpi service is using the wmiacpi.sys file that is located in the C:\Windows\System32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.