-: Now that we've built our entire computer,
we need to do what's referred to as a Smoke Test.
Now, this gets its name from the old days
when you'd turn on the computer
and if you did something wrong,
you would actually see smoke coming up,
either from the processor or one of the hard drives
or one of the components on the motherboard
because you broke the system.
Now we're going to hope that we don't get any smoke today
when we do this, but the whole purpose is to make sure
that everything has been properly connected.
And when we apply power to the computer,
all our fans start spinning,
our graphics cards start spinning.
We see something like the BIOS or UFI
when we load up onto a monitor,
and make sure that everything is working at the basic level
before we move into things like installing
an operating system, formatting your hard drives
and things like that.
So to do that, you're simply going to apply power
to your power supply by plugging it into your wall outlet,
and then turning the button to on.
Now by doing that, nothing should happen at this point.
And the reason is, I haven't turned on the computer itself
by pressing the power button.
Now remember, we hooked up the case to the motherboard
for things like the reset switch and the power switch,
and that's what we're going to be using now.
So when I press the power button up here,
you're now going to see the computer is turning on.
At this point, my graphics card has lit up red
because that's what this particular graphics card does.
I can see that my three case fans over here
are all spinning properly.
I can also see these two case fans are also spinning
and the rear case fan is spinning.
When I look at the power supply,
I can see that there is a fan spinning here as well.
And then I have the fans on the cooling unit
over the processor in the heat sink,
one in the middle and one on the side.
These are spinning very slowly right now
because this CPU is not working very hard just to load up
into the BIOS or UFI environment.
And in this case, it's the UFI environment.
Now if you look at the graphics card,
we do see that there is power because it is lit red.
And in addition to that,
I do have the three cooling fans here that are working
as I booted up this computer.
So, everything has passed my smoke test,
and this means this computer is good to go for us to be able
to start doing all the other configurations
such as formatting the hard drives,
installing the operating systems and things like that.