A User Reports That His PC's Display Isn't Showing the Colors

Multiple Choice

A user reports that his PC's display isn't showing the colors properly.When you wiggle the VGA cable connected to the computer's VGA port,the display goes all blue,then all red,then all yellow.Which of the following might be the problem?

A) The video drivers need to be updated
B) The computer is configured to display output only to HDMI
C) Some of the pins on the VGA connector are broken
D) The monitor needs to have its contrast adjusted