Cannot Use Natural Keyboard Elite in MS-DOS Mode

When you start your computer or restart your computer in MS-DOS mode, the Natural Keyboard Elite may not function properly. In addition, you may receive either of the following error messages:

This issue can occur if you connect the Natural Keyboard Elite to your computer using a Universal Serial Bus (USB) adapter and your computer's BIOS does not support USB keyboards. Your computer's BIOS must support USB keyboards for the Natural Keyboard Elite to work in MS-DOS.

To resolve this issue, contact your computer manufacturer to inquire about obtaining an updated BIOS that supports USB keyboards.

To work around this issue, use one of the following procedures:

• Shut down Windows, and then turn off the computer. Disconnect the keyboard from the USB port, and then remove the USB adapter. Connect the keyboard to a PS/2 port on the computer, and then restart the computer.
  
  
• If you have a PS/2 keyboard available, shut down Windows, and then turn off the computer. Plug the PS/2 keyboard into a PS/2 port on the computer, and then restart the computer. Use the PS/2 keyboard in MS-DOS, and use the USB keyboard in Windows.

For additional information about using the USB adapter with the Natural Keyboard Elite, please see the following article in the Microsoft Knowledge Base: