You are working as a technician at Domain.com. A user calls and asks for assistance. The user states that she plugged a laptop alternating current (AC) adapter into the outlet at his office and a spark was emitted and now the screen appears dim. Which of the following is MOST likely the cause?

A.
The video card has shorted out.

B.
The inverter board shorted out.

C.
The system requires a reboot.

D.
The system has overheated.