You are a desktop support technician for your company. All client computers run Windows XP Professional. Each client computer is configured to support a USB mouse.

A user reports that she installed a new scheme for the mouse, but now the mouse does not work.

You need to ensure that the mouse works again as soon as possible.

What should you do?

A.
Restart the computer by using the Last Known Good Configuration option.

B.
Run the verify off command. Restart the computer.

C.
Instruct the user to use System Restore.

D.
Instruct the user to use Device Manager to roll back the mouse driver.