Microsoft Windows Management Interface for ACPI (WmiAcpi) Service Defaults in Windows 8
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
The Microsoft Windows Management Interface for ACPI service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If Microsoft Windows Management Interface for ACPI fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the WmiAcpi service hasn't been started.
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 8 installation media.