How do I erase all data on one of the 4 partitions on my Mac. Hard Drive

How do I erase all the data on one of the 4 partitions on my main Hard Drive???

If it is not your startup partition:
Volume Erase
1. Open Disk Utility in your Utilities folder.
2. After DU loads select the desired volume from the left side list. Click on the Erase tab in the DU main window.
3. Set the format type to Mac OS Extended (Journaled.) Click on the Erase button.

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    Connect the iPhone to a computer running iTunes and use iTunes on that
    computer to restore as a new iPhone which will wipe current content.

  • I unfortunately just got my IPhone 4s stolen.I thought I had the find my iPhone enabled but I didn't because I cannot locate the phone when I sign in ICloud.How can I erase all data on the phone so the thief can't access my personal information.

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        Hello thewrongway,
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  • Iphone was stolen. and find my iphone was turned off. How can I erase all data

    Last night my iPhone was stolen. And find my iphone was turned off. How can i erase all data on my phone remotely?

    You can't do anything if Find My Phone was not enabled.
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    Backup Software Recommendations
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    SuperDuper!
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    How can I have my contacts both on the cloud and my Mac hard drive?

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    Are you talking about a Bootcamp partition? You can't boot Windows from an external drive.

  • How can I erase all photos in one album at once.

    Over the years 25.000+ photos are on my Mac filling up the hard drive.
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  • How do I erase ALL data on my 8 year old iMac 10.6.8?

    I'd like to erase ALL data on my 8 year old iMac 10.6.8 before hauling it off to electornics recycling. I have the original Snow Leopard start up disc but need help in it's use for this purpose. Any help would be appreciated. Richard

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  • How do I transfer my data to my new macbook pro using an external hard drive?

    I've already set up my new MacBook Pro is my issue. It asked me if I'd like to "Migrate" my stuff or use an external hard drive etc but at the time I didn't transfer my data from my old MacBook yet. I was going to manually do it later as I had to wait for my External hard drive to back my old Mac up. Now it's that time and I have no idea how to do it. I believe I've researched best of my ability.
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    really the only important things , is copy all important work files, documents, pictures, personal ABC...XYZ......  obviously.
    the migration is about emails, contacts, etc etc etc, also data, just because you passed it by at the time doesnt mean you still cant do it,    go to the SEARCH at menu at top and type in MIGRATION ASSISTANT  to do it again , since you passed it by at first .
    the only thing you NEED / SHOULD copy is all your personal stuff........Applications need to be reinstall from either ONLINE download,.......or from the MAC APP STORE,........  you cant just copy the apps over (in most cases) and toss them onto the new computer
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  • Erasing all music from iTunes and starting over from an external hard drive

    Hello,
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    Well this backfired big time probably because I did not follow any sort of instructions.
    1st I backed up Finder > music > iTunes > iTunesMedia folder to two seperate external hard drives just in case.
    2nd I think (this was back in March 2013) I decided to cut/delete the folder Automatically Add to iTunes and moved it to one of my external hard drives (this folder for some reason contained mostly everythiing that was in the iTunes Media folder).
    3rd I finally decided to erase content from iTunes Media Folder
    4th I deleted the iTunes Media folder because I felt it was stupid to have a "iTunes Media folder" and "iTunes Music Folder" in the same place but not actually have anything in the iTunes Music folder (probably really stupid of me in retrospect)
    5th I unchecked the box under iTunes > Preferences > Advanced "Copy files to iTunes Media folder when adding to library"
    6th I believe I changed the location of "iTunes Media folder location" in the Advanced area under Preferences thinking this should be pointing to my external drive
    I then believe I tried to run iTunes and play my content, but when I did all it did was copy my music/media back to my MacBook Pro hard drive but I did not realize it was doing this until later the next day when I tried to play some music and realized I had 3 copies of everything in my iTunes program (ie music movies podcasts tv shows etc) however, I could play all three versions of whatever it was I selected there was no "error message" saying that iTunes could not located that file, would you like to try and locate.
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    Than I realized that my Internal Hard Drive was almost full and went looking around for things I could delete to help make my MacBook run better, and realized that my Trash had a large amount of data in it and that emptying it would significantly reduce space on my Internal Hard Drive, but when I went back to iTunes and selected music or movies to play it placed the infamous "!" next to that track or movie and it could not locate those items anymore?
    Long long long story short hopefully, can anyone help me set up iTunes so that it only can play content/media off of my external drive and not take up space on my internal hard drive? Is this even possible to do that or will always start to copy those files from the external hard drive back onto the internal hard drive? and second is there anyway to use the Apple router external hard drive to use as the source for all my media?
    PS I am running Mac OS X Lion version 10.7.5 and iTunes 11.1.3 (8) 64-bit

    2012EVOL wrote:
    Hello,
    I tried moving all my media to an external hard drive to make room on my MacBook Pro and just be able to run the media (ie music movies etc) from the external hard drive when it was connected.
    Quit iTunes.
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    This is all you need to do.
    Everything for iTunes (except the application) is on the external.
    2nd I think (this was back in March 2013) I decided to cut/delete the folder Automatically Add to iTunes and moved it to one of my external hard drives (this folder for some reason contained mostly everythiing that was in the iTunes Media folder).
    Make a shortcut to this folder on your desktop.
    Nothing should be in this folder. When you put a file here, it will get moved by iTunes and added to the library.
    The reason it had files in it is because you moved it.

  • How do I get all my music library from my iPad to iMac after hard drive replacement?

    Recently my iMac hard drive crashed and was replaced with a new one.  Thankfully the entire music library was still on my iPad.  However, with the new hard drive, iTunes will only let me move over the purchased tracks from the iPad to the iMac.  This is not good since most of our music was purchased on CD and loaded into iTunes.  iTunes states that you can only sync with one computer and the iPad is showning a different library than my iMac.  How do I fix this?  Apple is holding my legally purchased music hostage!

    No, they aren't holding it hostage. You are relying upon Apple to provide a service  you should be doing by backing up your computer properly.
    Some of the information below is summarized by turingtest2 in the post at https://discussions.apple.com/message/18842615
    Your i-device was not designed for unique storage of your media. It is not a backup device and media transfer is designed for you maintaining a master copy of your media on a computer which is itself properly backed up against loss. Syncing is one way, computer to device, updating the device content to the content on the computer, not updating or restoring content on a computer. The exception is purchased content.
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    - Senuti - http://www.fadingred.com/senuti/
    - Phoneview - http://www.ecamm.com/mac/phoneview/
    - MusicRescue - http://www.kennettnet.co.uk/products/musicrescue/ - Mac & Windows
    - Sharepod (free) - http://download.cnet.com/SharePod/3000-2141_4-10794489.html?tag=mncol;2 - Windows
    - Snowfox/iMedia - http://www.mac-videoconverter.com/imedia-transfer-mac.html - Mac & PC
    - iexplorer (free) - http://www.macroplant.com/iexplorer/ - Mac&PC
    - Yamipod (free) - http://www.yamipod.com/main/modules/downloads/ - PC, Linux, Mac [Still updated for use on newer devices? No edits to site since 2010.]
    - 2010 Post by Zevoneer: iPod media recovery options - https://discussions.apple.com/message/11624224 - this is an older post and many of the links are also for old posts, so bear this in mind when reading them.
    Syncing to a "New" Computer or replacing a "crashed" Hard Drive - https://discussions.apple.com/docs/DOC-3141 - dates from 2008 and some outdated information now.
    Copying Content from your iPod to your Computer - The Definitive Guide - http://www.ilounge.com/index.php/articles/comments/copying-music-from-ipod-to-co mputer/ - Information about use in disk mode pertains only to older model iPods.
    Get Your Music Off of Your iPod - http://howto.wired.com/wiki/Get_Your_Music_Off_of_Your_iPod - I am not sure but this may only work with some models and not newer Touch, iPhone, or iPad.
    Additional information here https://discussions.apple.com/message/18324797

  • How do i copy all files from my macbook pro to an external lacie hard drive?

    Hi,
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    Consider these options...
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    or CCC  http://www.bombich.com/
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