When Ron Turns on His Computer, He Hears One Beep

Multiple Choice

When Ron turns on his computer, he hears one beep. However, there is no image on the screen. The monitor indicator is not on.
What should Ron consider first when he troubleshoots this video issue?

A) Is video cable plugged in properly?
B) Is video card seated properly?
C) Are the brightness and contrast turned all the way down?
D) Is the monitor plugged in properly?