Microsoft ACPI Control Method Battery Driver - Windows 7 Service
Control Method Battery Driver by Microsoft Corporation.
This service also exists in Windows 10, 11 and 8.
Startup Type
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | Manual | Manual |
| Home Basic | Manual | Manual |
| Home Premium | Manual | Manual |
| Professional | Manual | Manual |
| Ultimate | Manual | Manual |
| Enterprise | Manual | Manual |
Default Properties
| Display name: | Microsoft ACPI Control Method Battery Driver |
| Service name: | CmBatt |
| Type: | kernel |
| Path: | %WinDir%\system32\DRIVERS\CmBatt.sys |
| Error control: | normal |
Default Behavior
The Microsoft ACPI Control Method Battery Driver service is a kernel driver. If the Microsoft ACPI Control Method Battery Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the CmBatt service has failed to start.
Restore Default Startup Type of Microsoft ACPI Control Method Battery Driver
Automated Restore
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreMicrosoftACPIControlMethodBatteryDriverWindows7.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the CmBatt.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows 7 installation media.