You are a desktop support technician for your company. All client computers run Windows XP Professional. Portable computers have a 64-MB video adapter.

A user reports that he is having trouble with his portable computer during a presentation. You verify that he connected the cables properly and configured his portable computer to display to the projector, but the projector displays the following error message: “Can’t display graphic.” When you configure the computer to show only on the LCD, the projector displays the following error message: “No signal.”

You need to ensure that the computer display properly appears on the projector.

What should you do?

A.
Adjust the video resolution to a setting that the projector supports.

B.
Configure the display settings to work in dual-monitor mode.

C.
In the Display Properties dialog box, select the Extend my Windows desktop onto this monitor check box.

D.
In the Display Properties dialog box, select the Use this device as the primary monitor check box.