A field technician for an airport receives a support ticket that states customers are having issues viewing a screen that displays information about departing flights. While checking the case history, the technician sees that all fight information screens were recently moved when the terminal gates were remodeled. Which of the following actions should the technician perform after verifying the screen has power?


A. Ensure the input connections to the screen are secure.
B. Swap cables with a screen that works.
C. Check to see if the device outputting the data is turned on.
D. Determine if the screen is compatible with the output device.