After Restoring a Laptop to Factory Settings, a Client Can

Multiple Choice

After restoring a laptop to factory settings, a client can no longer use the touchpad on it. A technician verifies the system state was fully restored from the most recent, fully working backup. Which of the following should the technician check for NEXT using the fewest number of steps?

A) System Restore
B) Installed USB mouse
C) Updated drivers
D) Function key toggle