Brother WDM Serial driver (BrSerWdm) Service Defaults in Windows 7

Brother Serial driver (WDM version) by Brother Industries Ltd..

Default Settings

Startup type: Manual
Display name:Brother WDM Serial driver
Service name:BrSerWdm
Service type:kernel
Error control:normal
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BrSerWdm

Default Behavior

Brother WDM Serial driver is a kernel device driver. In Windows 7 it won't be started if the user doesn't start it. If Brother WDM Serial driver fails to start, Windows 7 attempts to write the failure details into Event Log. Then Windows 7 startup should proceed and the user should be notified that the BrSerWdm service is not running because of the error.

Restore Default Startup Configuration of Brother WDM Serial driver

1. Run the Command Prompt as an administrator.

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

sc config BrSerWdm start= demand

3. Close the command window and restart the computer.

The BrSerWdm service is using the BrSerWdm.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 7 installation media.