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Just a quick tip.
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hey everyone today I'm going to show how
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you can change the default Mac OS 10
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login wallpaper now just like with other
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versions of Mac OS 10 the wallpaper on
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the login screen can't be changed by
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default and there's no option to do so
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and after a while you might start to get
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bored with it so today I'm going to show
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you how you can change that so first of
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all what you're going to need is is an
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image that you want for your new login
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wallpaper background and in this case
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I'm going to be using the same exact
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image that I have as my desktop
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background and it's important that you
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have a wallpaper that's the same
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resolution as your screen now if you
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don't know what your screen resolution
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is you can actually just Google it so
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you can type in what's my screen
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resolution and you should see this link
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on the top to what is my screen
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resolution.com and it's going to tell
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you right here this case 2560 by 1440 so
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I know that I need images of that size
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so if I go to my wallpaper here and I
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right click on it and select get info
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over on the side here you can see that
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it's actually 2560
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x600 which is actually larger than the
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resolution of my monitor but I'm going
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to go with it anyways because as long as
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the resolution is at least what your
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monitor is you're okay anything over is
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fine as well so next you're going to
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need to open up a new finder window and
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from here you're going to have to go to
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Macintosh HD now inside Macintosh HD
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you'll find the system folder you can go
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in there then library and then if you
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scroll down you'll see Frameworks and
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from there appkit that framework
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versions
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C and finally
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resources now it's in this folder that
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you're going to find the default image
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so if you scroll down to NS textured
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full screen back backround
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color.png this is actually the image
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that it uses for the login screen
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wallpaper and it just tiles it so what
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you need to do first is you need to make
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sure that you back up this wallpaper
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just in case you lose it so I'm just
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going to right click and copy
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this and I'm going to paste it to my
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desktop so that I have a copy of it
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backed up and I'll put this in a folder
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so now what I need to do is I need to
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make sure my regular wallpaper image is
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is the correct format for using for my
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login screen so if I open up in
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something like preview I need to make
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sure that this image is a PNG and mine
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already is but I'm going to show you the
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process that you need to go through to
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make it one so if you go up into preview
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and go to the file menu and select
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export this menu will pop down and you
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have to make sure that the format
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selected is
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PNG now from here you're also going to
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have to change the name and you need the
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name to be the same as the the name of
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the image that you just backed up so
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make sure you have the Correct
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capitalization and everything I'm going
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to call this NS textured full screen
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background
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color.png and then all I have to do is
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hit save so this will save and now I'll
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see it on my desktop right here so now
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all I have to do is go and drag this
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file into the resources folder and it's
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going to ask me to authenticate this
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because it needs to replace the item
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that's already in there so I hit
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authenticate I have to type in my
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password and once again make sure you've
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backed up that other image otherwise
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you'll never be able to revert to the
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old one and then hit okay so you can see
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here now that the new image has replaced
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the old linen image that was in there
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already so now we're all good there and
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you can close this finer window so now
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from here if you log out you'll be able
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to see the new
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wallpaper and it's really as simple as
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that now if you ever want to revert this
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back to the original linen textured
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wallpaper all you're going to have to do
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is navigate back to that folder that we
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were in before and drag back in the
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linen textured wallpaper and replace of
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the one that you put in there and then
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it'll have returned to the default state
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so there you go that's how to change the
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default login wallpaper in Mac OS 10 as
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always if you have anything that you'd
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like to see me do a how to on make sure
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to send me an email I hope you found
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this video useful and thank you for
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watching
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