Keyboard Class Driver (kbdclass) Service Defaults in Windows 8

Keyboard Class Driver by Microsoft Corporation.

Default Settings

Startup type: Manual
Display name:Keyboard Class Driver
Service name:kbdclass
Service type:kernel
Error control:normal
Group:Keyboard Class
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\kbdclass

Default Behavior

The Keyboard Class Driver service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If Keyboard Class Driver 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 kbdclass service hasn't been started.

Restore Default Startup Configuration of Keyboard Class 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 kbdclass start= demand

3. Close the command window and restart the computer.

The kbdclass service is using the kbdclass.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.