Microsoft System Management BIOS Driver - Windows 7 Service
System Management BIOS Driver by Microsoft Corporation.
This service also exists in Windows 10, 11, 8, Vista and XP.
Startup Type
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | System | System |
| Home Basic | System | System |
| Home Premium | System | System |
| Professional | System | System |
| Ultimate | System | System |
| Enterprise | System | System |
Default Properties
| Display name: | Microsoft System Management BIOS Driver |
| Service name: | mssmbios |
| Type: | kernel |
| Path: | %WinDir%\system32\DRIVERS\mssmbios.sys |
| Error control: | normal |
Default Behavior
The Microsoft System Management BIOS Driver service is a kernel driver. If the Microsoft System Management BIOS 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 mssmbios service has failed to start.
Restore Default Startup Type of Microsoft System Management BIOS Driver
Automated Restore
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreMicrosoftSystemManagementBIOSDriverWindows7.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 mssmbios.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.