Microsoft System Management BIOS Driver (mssmbios) Service Defaults in Windows 10

System Management BIOS Driver by Microsoft Corporation.

Default Settings

Startup type:System
Display name:Microsoft System Management BIOS Driver
Service name:mssmbios
Service type:kernel
Error control:normal
Path:%SystemRoot%\System32\drivers\mssmbios.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\mssmbios

Default Behavior

Microsoft System Management BIOS Driver is a kernel device driver. In Windows 10 it is starting at Kernel initialization. If Microsoft System Management BIOS Driver fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the mssmbios service has failed to start due to the error.

Restore Default Startup Configuration for Microsoft System Management BIOS Driver

1. Run the Command Prompt as an administrator.

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

sc config mssmbios start= system
sc start mssmbios

3. Close the command window and restart the computer.

The mssmbios service is using the mssmbios.sys file that is located in the %WinDir%\System32\drivers folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 10 installation media.