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- Let's talk about keyboard functionality

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and touchpad functionality on a laptop.

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Now, the keyboard on a
laptop is generally the same

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as a desktop keyboard.

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The main difference is
gonna be your function key,

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and the additional functionality

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on these function keys up here.

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Some laptops are known
as desktop replacements,

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and these have a full-size, 101-keyboard

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with an entire numeric keypad over here.

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This one is not a desktop replacement.

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It's a standard laptop that
takes those numeric keys

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and places them here,

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and also the additional keys
here like Page Up, Page Down,

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that six-key portion of the keyboard.

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So, it's all condensed into one section.

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But what I'm interested
in here for the laptop

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is the differences between
this and the desktop,

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and that's mainly the function key.

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And so, what this allows
us to do is it allows us

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to have secondary functions on
these function keys up here.

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And sometimes on a mobile device

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you'll see that listed as second,

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and you might even have that in addition

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to the function key.

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And that's more for industrial devices

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and more specialized devices,

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but for the laptop we have the Fn key,

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that's the function key,

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that allows these to
have secondary purposes.

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For example, F2, the F2 key,

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that might get you into the BIOS,

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or it might open a particular application,

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or you could bind it with a macro.

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It could do a lot of things
in the operating system,

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but if we press the function key and F2

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what it does is it reduces
the brightness of the screen.

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And you'll notice I just
pressed the function key

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and the backlight came on for this keypad.

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That's a nice feature
of a keypad on a laptop,

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on some laptops, but not
necessarily different

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than keyboards from a desktop computer.

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And you get lots of bells and
whistles like that on laptops.

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But again, that main
thing I'm looking for here

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is the function, the
additional functionality.

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So, for example, the additional
functionality on this laptop

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we have the F1 key equals
question mark, which means help.

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And that's standard.

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F1 is generally help for most systems,

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but the F2 and F3 keys are used

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to reduce and increase brightness.

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The F4 key is used to toggle
between the main monitor

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and an external monitor, or both.

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And that's very common on laptops,

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that it's F4 that'll be the toggle key

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for multiple monitors.

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And then you have a lot
of other options here,

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playback and volume, and
also muting and wireless.

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Let's show an example of a couple of those

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in action right now.

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I'm in Windows 8 on this,

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I'm just gonna go to the desktop area.

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I have my website open here.

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And by the way, you'll notice
there's a lot of other videos

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on my website in the A+ section

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so feel free to check those out,

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but let's show a couple
of these keys here.

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And the first one will
show the brightness.

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If we press the function
key at the same time,

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hold down the function key,

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and then press the
reduce brightness button,

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which normally is F2,

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you'll see that the
brightness goes way down.

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And you can see that display.

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You can see how it's modified there, okay?

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Sometimes the lamp on
an LCD starts to go bad,

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and if someone was to reduce
the brightness all the way

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they might not see the screen at all.

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So, always check that, check and make sure

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that the brightness is up.

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As laptops get older, as
the displays get older,

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the lamp might fail,

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and so you always wanna check that.

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Increase that guy and
make sure that you can see

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what's going on there before
you troubleshoot any further.

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Another one, the volume, we
have our volume keys here.

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And if we hold down the function key

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and press the down volume
you can see that decreases

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on the screen, increase the volume, okay?

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So, sometimes a person might say,

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"Hey, I can't hear anything
from the speakers."

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Well, one of the first things
you wanna check is the volume.

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Make sure that the volume is high enough

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where it can be heard from the speakers,

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especially in a noisy environment.

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And also check that mute button,

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on this laptop the F11 key is the mute.

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So, that's a quick way of getting

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the volume down to nothing,

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and that is something
you wanna check as well.

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You'll see that real quickly
'cause in the notification area

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you'll see on the sound
icon there's a red line,

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a circle with a red line through it,

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meaning that the volume is muted.

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So, if we hit that again that disappears

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and we get our volume back.

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When troubleshooting the sound on a laptop

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check the obvious,
check the actual volume.

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You can check that in
the operating system,

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but you can also check it
physically on the laptop.

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And that's usually associated with one

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of the function keys on the laptop.

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And you might have a slider
also on an older laptop,

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so check the actual volume

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and make sure that it's not
turned all the way down or muted

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before you do any further troubleshooting.

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And another one, very
important, is the wireless.

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People hit this, I see this all the time.

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People come in, "I can't
connect to anything,

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I don't know what's going on."

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And if you hit the wireless button

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you'll see that you get an X,
a red circle with a white X,

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on that wireless icon in
the notification area.

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So, that generally, the
first thing you wanna do

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on a laptop, press that function key

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and press that wireless button.

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And then give it a minute
to recheck and enable

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and connect to the wireless.

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So, always check that,
that's very important.

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And so, that's the basic
keyboard functionality.

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You can go into laptops
a ton with keyboards,

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but other than that the
keyboard functionality

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is a lot the same as a desktop computer.

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You might have little bells
and whistles here and there

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that make it different from
one device to the next,

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from one manufacturer to the next,

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but that's the general idea.

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You want to know what
these function keys are

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and what they do.

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And another one here, function key and F1,

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that brings up help.

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And we're in the browser Google Chrome,

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so it actually brought
up the Chrome Help page.

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So, that's pretty cool.

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So, F1 or function and F1 can get you

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to a lot of help options within browsers,

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within your application you're working in,

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or just in Windows.

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So, here we have the touchpad,

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and that's the other part of a laptop

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that makes it different from a desktop.

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And this takes the place of a mouse.

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You have instead of moving the mouse

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you move your finger
over the touchpad itself,

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move your finger by dragging,

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and you can see the cursor moves.

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And you have your two buttons,

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your primary click and
your alternate click.

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And you can switch these if you want

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depending if you're righty or lefty,

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but generally people
will call this the click

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and the right-click.

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And so, these work in the same way.

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We can hover on something and click

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to bring up that page,
or we can right-click

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to bring up the right-click,
or alternate click, menu,

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as you see here.

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But what's more important
is the functionality

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of the touchpad itself.

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You can touch and drag to
move the cursor around,

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and on this particular guy
you can tap as well too.

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You don't have to necessarily
click on something.

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Just before we clicked on a link

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by using the main-click button,

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but on this touchpad you can just tap

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and that'll click the link for you.

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So, it's tapping just
like on a mobile device,

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like a smartphone or a tablet,
and works the same way.

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And that's a little easier

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and uses less energy than
actually clicking this device,

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so economy of motion there.

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Now, the other thing though
is you can use the touchpad

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on a lot of laptops now
with multiple fingers.

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So, for example, with one finger

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we're moving the mouse cursor around.

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We can just call it a cursor

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'cause there's really
no mouse involved here.

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With two fingers we can scroll,

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and scroll the webpage, or
whatever document you're in.

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And there's other options.

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You can use three fingers or four fingers

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to do various swiping and
moving of applications,

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and that'll depend on the
operating system you're using

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and the laptop you're using,
the touchpad that you're using.

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Another example, we can swipe all the way

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from the right outside of
the touchpad and swipe over,

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and that'll bring up the Charms Bar.

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And so, now we can use the Charms Bar

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to do what we want here as well.

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If we hit the Windows key
to go to the Start screen

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we can go all the way up into the corner,

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and if we drag up into
the upper-left corner

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we'll see the desktop.

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And we can just tap that to bring that up.

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So, there's a lot of
functionality here where we can

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make use of Windows
just with the touchpad,

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and you can get external touchpads as well

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that connect via USB.

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And so, there's a lot of
possibilities with this,

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and especially on the Mac too.

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There's a lot of two, three,
and four-finger possibilities

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when it comes to working
with the touchpad.

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So, there's a little bit about
the keyboard functionality

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and touchpad functionality.

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Remember to always check
those function keys.

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If something's not working
check those function keys first.

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Check the brightness, check
the mute, check the volume,

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check that wireless, very important.

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And watch the icons in
the notification area

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to see if there's a,

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if the problem was resolved quickly

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just by using that
function key combination.

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One other thing you might notice that, oh,

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we talked about the numeric keypad.

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Some laptops will have
a full numeric keypad.

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Other laptops, and you
don't see this as often now,

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but other laptops will
put the numbers over here

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on top of these letters.

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And you can use the function
key with the numbers.

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So, the I might be the
number two or something,

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and so you press the function
key and I to get number two.

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So, you have that possibility.

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And plus you could turn that on and off

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with the Number Lock key

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so that you don't have
to use the function key,

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so that's a possibility as well.

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And sometimes you'll get people

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with those types of older
laptops that'll say,

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"Hey, I'm typing but I'm
not getting all letters.

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I'm getting letters and numbers."

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And that's because that
secondary function,

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those numbers that are here,

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has been turned on with
the Number Lock key.

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So, know the Number Lock key
and also that function key.

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And if you ever have some
problems with the trackpad,

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sometimes people have
issues with the trackpad.

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It could just require a cleaning.

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So, you use your 50-50 mix of
isopropyl alcohol and water.

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Make sure you apply that to
a dry, lint-free cloth first,

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and then rub that on here
just to clean it off.

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Also, sometimes the driver
might need to be updated

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depending on the OS that you're using

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or the application that you're using

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to make it work properly.

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00:12:08,430 --> 00:12:10,620
So, there's a couple
things about the touchpad

256
00:12:10,620 --> 00:12:13,200
and the keyboard, what to
look out for on a laptop.

257
00:12:13,200 --> 00:12:14,900
And that's it for this sub-lesson.
