Which of the following two questions you would ask a customer first when he reports a blank
monitor? (Select TWO.)

A.
Is the monitor switched on?

B.
Did you check the color settings?

C.
Have you checked whether the contrast or brightness is turned down?

D.
What type of computer do you have?

Explanation:
Any number of things can cause a blank screen. The first two are the most common: either the
power is off or the contrast or brightness is turned down.
Incorrect answers:
B: A blank monitor will not register any color to enable the customer to check color settings.
D: The type of computer is irrelevant in the troubleshooting of a blank monitor.
Reference:
David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition), Sybex, Alameda , CA,
2001, pp. 407.