Dejar de fabrica el mountain lion de un macbook comprado

buenos dias a todos y buen año
acabo de comprar un air de segunda mano el cual en un principio venia de serie con el lion,pero el chaval lo actualizo a mountain lion..el tema es que no se de que forma puedo dejarlo como de fabrica para borrar todos sus datos y empezar desde cero con mis datos ..
he intentado crear una usb con el lion,pero no me da paso a borrar los datos ya existentes ...y ahí me he quedado jeje
necesito ayuda ,gracias

Traductor de Google
Boot into Internet Recovery by holding down the key combination option-R at startup:
OS X: Acerca de la recuperación de OS X
Launch Disk Utility and partition the internal drive with the default choices (GUID partition table, one data partition.) This operation will destroy all existing data on the drive.
Quit Disk Utility and install Lion. After rebooting and setting up an account, if you want to upgrade to Mountain Lion, buy it from the App Store.

Similar Messages

  • How many times can I install mountain lion on my macbook pro?

    My Macbook pro came with lion pre-installed. However, I bought at a time that allowed me to update to mountain lion for free. Therefore, I wanted to know if I will have to pay to re-download mountain lion on my Macbook pro if I have to restore the system to its factory settings?

    No, since you have already "purchased" (even if for free) 10.8 on the App Store with your AppleID, you own it, so you can reinstall as much as you want.
    Matt

  • Since upgrading to mountain lion on my macbook pro, i cannot email photos from iphoto.

    Since upgrading to mountain lion on my macbook pro, i cannot email photos from iphoto.
    i can select the picture but when sending it, an error symbol appears.
    Any ideas ?

    This doesn't work for me at all. I tried entering exactly the same information that I used to set up my regular email account and I'm still getting an error message. I even tried switching to using my gmail account and neither one worked. Then it got hung up and had to repair my database! I have a lot of photos on my Mac (thank goodness they're backed up) and I was really sweating it for a moment.
    Apple is so easy until it's not. I find this to be really aggrevating and I'm irritated that it hasn't been fixed. In fact I did an online search and someone described this same problem in detail and it was exactly what was happening to me. Same error messages.
    I'm frustrated that Apple keeps updating it's operating system and then we go through these glitches.
    And while I'm at it, I have never had such a frustrating time using my login information as I have to get into this forum! Why do they make it so difficult? There's just something about the way it's worded that get's me messed up every time. Meanwhile, at least get iPhoto fixed!

  • I downloaded mountain lion for my macbook pro and i want to install it on my sisters' macbook air, my question is, how many times can i share my purchase?

    i downloaded mountain lion for my macbook pro and i want to install it on my sisters' macbook air, my question is, how many times can i share my purchase?

    Association of Associated Devices is subject to the following terms:
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    That information is available here >   iTUNES STORE - MAC APP STORE - TERMS AND CONDITIONS
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  • Can i install mountain lion on my macbook 2006, 2ghz intel core 2 duo, 2gb ram?

    hi , is it possible to install mountain lion on my macbook from 2006, 2ghz intel core 2 duo and 2 gb ram
    in the moment i use 10.6.8 and i want to update for installing iwork09, wich requiered 10.7 or more. i need the new iwork, cause my old pages and numbers dont work together with the iwork on my ipad4.
    ok, thank you, nice greetings

    10.7 Lion is still available from Apple. You will have to call Apple Customer Care 1-800-692-7753 or 1-800-676-2775. to purchase it. Then within 3 days you will get an email with a code which you can use to download Lion from the App Store.  The price is $19.99.
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    As for third party programs see this list for compatibility with 10.7 http://roaringapps.com/apps:table
    Also Lion doesn't run any Power PC programs. To see if you have any Power PC programs go to the Apple in the upper left corner and select About This Mac, then click on More Info. When System Profiler comes up select Applications under Software. Then look under Kind to see if any of your applications are listed as Power PC. Universal and Intel will run under Lion.
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  • I install Mountain Lion on my MacBook Pro and freezing after waking up and is impossible restart

    I install mountain lion on my macbook pro late 2009 and freezing after waking up and is impossible restart

    Restart your mac in Safe Mode by holding down the 'shift' key while it powers up. You'll know if you've entered Safe Mode correctly if you see a progress bar underneath the grey Apple logo screen. Let go of the shift key when you see that, wait for the progess bar to complete then log in.
    After log in, go to
     > System Preferences... Users & Groups and remove everything from the 'Login Items' tab.
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    Restart your mac normally and test.
    Any improvement?

  • I have installed mountain lion on my macbook pro ,but it made my mac very slow. Would someone please tell me how  to uninstall this one and reinstall snow leopard?

    Hello,
    I have installed mountain lion on my macbook pro ,but it made my mac very slow. Would someone please tell me how  to uninstall this one and reinstall snow leopard? I tried to do it by my original CDs but macbook  pro didn't let me to do it.
    Thanks

    It would be easier to just fix whatever is making your machine slow.
    I wrote a little diagnostic program to help show what might be causing these problems. Download EtreCheck from http://www.etresoft.com/download/EtreCheck.zip, run it, and paste the results here.
    Disclaimer: Although EtreCheck is free, there are other links on my site that could give me some form of compensation, financial or otherwise.

  • I bought mountain lion for my macbook pro and I'm trying to install it and it says there was an error and I need to boot up but I don't have any other start up disks to boot up with. Are there any suggestions of how I could get my computer started?

    I bought mountain lion for my macbook pro and I'm trying to install it and it says there was an error and I need to boot up but I don't have any other start up disks to boot up with. Are there any suggestions of how I could get my computer started?

    Hold the Option key down and restart. Select one of the drives that comes up and hit the Return key.

  • I just downloaded Mountain Lion on my Macbook Pro.  Firefox and Safari are showing up in HTML (I think) and many web pages are garbled and unreadable.

    I just downloaded Mountain Lion on my Macbook Pro 10.8.2  Now Safari and Firefox are not functioning right - sites are garbled, show up as bulleted blue phrases, don't react.  I am trying to search train tickets in Paris and can't  do it.  My e-mail (Shaw) defaults to HTML and I cannot access the Bay site through e-mail. Help.

    Please read this whole message before doing anything. This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it. Step 1 The purpose of this step is to determine whether the problem is localized to your user account. Enable guest logins* and log in as Guest. For instructions, launch the System Preferences application, select Help from the menu bar, and enter “Set up guest users” (without the quotes) in the search box. Don't use the Safari-only “Guest User” login created by “Find My Mac.” While logged in as Guest, you won’t have access to any of your personal files or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin. Test while logged in as Guest. Same problem? After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it. *Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing. Step 2 The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login. Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode* and log in to the account with the problem. The instructions provided by Apple are as follows: 
    Shut down your computer, wait 30 seconds, and then hold down the shift key while pressing the power button.
    When you see the gray Apple logo, release the shift key.
    If you are prompted to log in, type your password, and then hold down the shift key again as you click Log in.
     Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs. The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin. *Note: If FileVault is enabled, or if a firmware password is set, or if the boot volume is a software RAID, you can’t boot in safe mode. Test while in safe mode. Same problem? After testing, reboot as usual (i.e., not in safe mode) and verify that you still have the problem. Post the results of steps 1 and 2.

  • I purchased Mountain Lion on my MacBook and want it on my mac desktop as well. Can I download the same purchase on my desktopMac? and how do i do that?

    I purchased Mountain Lion on my MacBook and want it on my mac desktop as well. Can I download the same purchase on my desktopMac? and how do i do that?

    Welcome to the Apple Support Communities
    When you purchase Mountain Lion, you can install it as many times as you want on all your computers for free. To install it on the desktop, open the App Store, go to Purchases tab and download OS X Mountain Lion.
    Another option is to redownload it on the MacBook, put the installer onto a USB drive and connect it to the desktop in order to upgrade

  • I've just installed mountain lion on my macbook pro. I cannot open preview and it is also stalling the log out sequence? How can I solve this

    I've just installed Mountain Lion on my Macbook pro and cannot now open Preview. I've partly solved the reading of PDF documents by installing Adobe Reader, but Preview is also stalling the log out process. Any suggestions how I might solve this annoying trait would be most appreciated. Many thanks.

    vidaiow wrote:
    Have just tried force quiting Preview via the Dock and reopening a file and it worked . Hurrah !. Thanks for your help.
    Just an FYI, normally you give the 'solved' award to the person who gave you the answer, not to yourself.

  • I have reinstalled mountain lion on my MacBook Pro and can't get the games back App Store says they'll already installed how can i download them can anyone help

    I have reinstalled mountain lion on my MacBook Pro and can't get the games back App Store says they'll already installed how can i download them can anyone help

    I have eactly the same problem - it seems that the downloaded version on MBA is version 6.0 and on iPad is is version 2.0 -
    Issue is when i tried to save the presentation on MBA Keynote 09 - Keynote crashed.
    I tried to save is as Powerpoint in MBA and it crashed as well!
    Message was edited by: Innovaxin

  • I have an Epson scanner that is apparently no longer supported  because it is a PowerPC app.  It's a very good scanner that worked fine until I upgraded to OS Mountain Lion on my MacBook Pro.  Any suggestions on how I can continue to use it?

    I have an Epson scanner that is apparently no longer supported  because it is a PowerPC app.  It's a very good scanner that worked fine until I upgraded to OS Mountain Lion on my MacBook Pro.  Any suggestions on how I can continue to use it?

    For that model, Epson has this information:
    ICA Scanner Driver
    07/17/12
    Description: The latest Mac OS X ICA scanner driver for your Epson product is available only via Apple's Software Update. Here's how to get it:
    1. Connect the all-in-one or scanner to your Mac and power it on.
    2. Select the  menu, then Software Update.
    3. Follow the on-screen instructions to install the available updates.
    Note: Software Updates may find multiple updates for your system. You may choose to install all or some of the updates by clicking on Show Details.
    Compatible Systems: Mac OS X (v10.8.x)

  • !!!HI, SO I BOUGHT MOUNTAIN LION ON MY MACBOOK PRO TRYING TO UPGRADE FROM SNOW LEOPARD, AND WHILE TRYING TO REINSTALL THE OS SETUP AS IT SHOWED IT COULDNT BE VERIFIED, I CROSSED OUT MOUNTAIN LION FROM MY PURCHASES, ITS NOW GONE, DO I HAVE TO BUY IT AGAIN?

    HI, SO I BOUGHT MOUNTAIN LION ON MY MACBOOK PRO TRYING TO UPGRADE FROM SNOW LEOPARD, AND WHILE TRYING TO REINSTALL THE OS SETUP AS IT SHOWED IT COULDNT BE VERIFIED, I CROSSED OUT MOUNTAIN LION FROM MY PURCHASES, ITS NOW GONE, DO I HAVE TO BUY IT AGAIN?

    Please google search for "Mountain Lion disk crash" before upgrading you mac pro. You might need to replace you Mac hard drive after the upgrade.So many people had the same problems including me.
    Be aware of the Mountain Lion upgrade problem.

  • HT4463 I Can't Install Mountain Lion On My Macbook

    I Can't Install Mountain Lion On My Macbook White 10.6.8 (Late 2010) . It Goes Throught The Process, And Once It's Downloaded, It Doesn't Say To Restart. I Restart It On My Own And It Still Boots Up To Snow Leopard. I Tried Downloaded It Over And Over Again Five Times, And It Does The Same Thing. Does Any1 Have Any Insight On This Issue?

    As a rule the Mac App Store won;t let you buy and download Mountain Lion if your hardware doesn't support it, so the first question is did you get ML from the MAS?
    If so then what procedure are you following to install the OS? You wrote that
    Once It's Downloaded, It Doesn't Say To Restart.
    but downloading is only part of the installation process, what exactly is happening on the system?

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