After installing a new video card, a technician sees no video display on the monitor. The computer does not have an onboard video card. Which of the following actions should the technician take FIRST?

A.
Remove the new video card because it is defective.

B.
Check the monitor power and video cables to ensure connection.

C.
Change the system memory because it is not compatible with the new video card.

D.
Reseat or re-install the video card.