In Windows XP, which of the following must be done to enable a second monitor?

A.
My Computer > Properties > Manage Computer > Device Manager > verify that the correct video drivers are installed

B.
Display Properties > Settings > Secondary Monitor > ‘Extend my Windows Desktop onto this Monitor’

C.
Download the newest CODEC from the manufacturer’s website and verify that the driver has dual monitor support capabilities.

D.
My Computer > Properties > Display Properties > Settings > verify that both monitors are enabled