-: In this section of the course,
we're going to talk all about how to troubleshoot video issues
on a given system,
including physical cabling and source selection,
projector issues, and video quality issues.
So as we move into this section,
we're again going to be focused on domain five,
hardware and network troubleshooting,
as we fully cover objective 5.4.
Objective 5.4 states that given a scenario,
you must be able to troubleshoot
video projector and display issues.
Now as we begin this section,
we're first going to take a look at different cabling and
source selection issues that can occur,
including selecting the wrong data source, broken cables,
and cables that aren't properly seated into the connectors
and much more.
Then we're going to move into some different projector issues
that you might encounter as a technician,
such as when a projector has a burned out bulb, a dim image,
or intermittently shuts itself down.
After that, we'll move into our discussion
of video quality issues,
including fuzzy images, display burn ins,
dead pixels, flashing screens,
and incorrect colors being shown on your display.
As you're going to learn in this section of the course,
there are lots of different video issues
that you are going to encounter as a technician in the field,
and you're going to be asked to troubleshoot and rectify them.
So let's get started with our coverage
of how to troubleshoot video issues
in this section of the course.