No keyboard input occurs when you try to use the Natural Multimedia Keyboard in Windows

Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows registry


When you try to use the Microsoft Natural Multimedia Keyboard in Microsoft Windows, no keyboard input occurs.


This behavior occurs when the PS/2 Enumerator drivers are turned off in the system registry.


Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following subkey:
  3. Double-click the Start entry.
  4. Set the value to 3.
  5. Locate and then click the following subkeys.
    • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\kbdhid
    • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prt
    • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\kbdclass
    Double-click the Start entry, and then set the value to 1.
  6. Exit Registry Editor.
  7. Turn off the computer.
  8. Plug in the keyboard, and then start the computer.

Article ID: 913406 - Last Review: Feb 14, 2017 - Revision: 1

Microsoft Natural MultiMedia Keyboard