After receiving a call from an executive, a technician walks into a meeting room to find that the projector is not showing the screen of the executive’s laptop. The projector shows a message that reads “No video signal”. Which of the following is the FIRST thing that the technician should do?
A. Adjust the laptop’s screen brightness
B. Replace the projector’s bulb
C. Verify the VGA cable is connected
D. Ensure secondary display is enabled