You work as a System Administrator for company Inc. You have deployed a workstation and roll out
it to production, but you find some issues with the video display. The display works in the beginning
when you first set up the system. The video has degraded to standard VGA 640×800 and its
performance is badly affected after applying several system and driver updates. What is the most
likely cause of this issue?

A.
The video adapter is not properly placed on the system board.

B.
The video card is not enabled on the system.

C.
You need to upgrade RAM according to the video driver.

D.
You have installed an unsigned video driver.

Explanation:
In the given scenario, the video problem occurred because of the installation of an unsigned video
driver. For better performance, you should always use a device driver that is signed by Microsoft.
Unsigned drivers are not compatible with all systems. They may be poorly written and may include
viruses or malware.
the video card is not enabled, you do not get the video clip in the beginning when you first set up the
system.