A Certkiller .com user complains that the screen on his laptop remains blank when he turns on his
laptop. The Certkiller .com technician ascertains that the power light comes on and that the laptop
does boot up. What should the technician do to enable the display?

A.
Press the Fn and Screen keys until the display appears.

B.
Attach an external LCD or CRT monitor to the laptop.

C.
Check that the screen’s video cable is plugged into the laptop.

D.
Check that the monitor is powered on.