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If Mountain Lion comes pre-installed on my machine, how can I get the OS discs if it's only available via download?

Had someone ask a very good question, I think.


If you buy a new Mac that has Mountain Lion pre-installed on the machine, you are able to download updates as they come out; however, you can't necessarily download the Mountain Lion installer via the App Store since it came already installed on your computer.


So my question is, how can you get a OS disk/drive of Mountain Lion if your computer fails? I know Apple has the Recovery drive, and even the Internet Recovery drive, along with Time Machine and whatever else, but what if none of these options are available to recover the computer?


I suggested to the person to clone their hard drive using the 30-day trial of Carbon Copy Cloner. That way, they have a bootable image with the OS already available in case they run into this option. BUT, what if that isn't even an option? How does one go about recovering their computer if no OS disc of Mountain Lion is available?


I haven't been able to find anything about workarounds besides the methods I mentioned above, so please tell me if I am missing something.

Posted on Dec 19, 2012 2:12 PM

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17 replies

Dec 19, 2012 2:17 PM in response to theviolinruns

theviolinruns wrote:


... If you buy a new Mac that has Mountain Lion pre-installed on the machine, you are able to download updates as they come out; however, you can't necessarily download the Mountain Lion installer via the App Store since it came already installed on your computer.


So my question is, how can you get a OS disk/drive of Mountain Lion if your computer fails? I know Apple has the Recovery drive, and even the Internet Recovery drive, along with Time Machine and whatever else, but what none of these options are available to recover the computer?


The ability to reinstall a new Mac's original OS exists in its firmware. No discs are necessary, and this will work even if a user replaces a hard disk or SSD (or Fusion Drive, presumably) with a completely empty one. I've done it. It works.


It will not appear in the App Store, unless you bought it from the App Store.

Dec 19, 2012 3:07 PM in response to theviolinruns

theviolinruns wrote:


Is it even possible to create a boot disk from the files that are embedded in said firmware in case it is needed? Just because?


The firmware only includes the code required to download and install the OS from Apple's servers. It does not include OS X itself. The only requirement is an Internet connection (preferably a fast one).


Once it is downloaded, follow the OS X Recovery Disk Assistant instructions to create a bootable recovery volume.

Dec 19, 2012 3:15 PM in response to theviolinruns

you can't necessarily download the Mountain Lion installer via the App Store since it came already installed on your computer.

Not true. You can go to the Mac App Store and download the installer


(from the link that WALTER-MILANO-ITALY posted above)

Install OS X Lion or OS X Mountain Lion

If you completed your installation of OS X, your installer may have been removed after your successful first login to OS X Lion or OS X Mountain Lion. Mac App Store's Purchases page should show Install OS X as being "Installed", and disallow its download, when viewed from a computer running OS X.

To redownload the installer on a computer running OS X Lion or OS X Mountain Lion, press and hold the Option key while you click the Purchases tab. If the button to the right of the Install OS X Lion or OS X Mountain Lion item doesn't change to "Install" and allow you to download OS X, use Spotlight to search for "Install OS X Lion or OS X Mountain Lion" on your computer.

Jan 1, 2013 7:24 AM in response to RandomAppleID

RandomAppleID wrote:


So, even this requires buying Mountain Lion installer even though the OS is already on my Mac and hence and I've already paid for it.


This is an incorrect conclusion to draw from the responses in this thread.


The Mac OS X version installed when the Mac was built may be reinstalled on that Mac as often as necessary. That Mac may be sold, and its license to use Mac OS X may be transferred to the new owner. This applies to Mountain Lion as well as every previous version of OS X. Nothing has changed.


The license to use OS X installed on that Mac applies only to that Mac. This is nothing new either.

Mar 30, 2013 8:04 AM in response to theviolinruns

I was having the same thoughts too. I found this on the web today. I was successfully able to perform the steps and create a bootable usb drive. I don't like that Apple doesn't 1. Provide a usb drive with the OS software or 2. make it easy to create a bootable USB with the OS X software on it. I guess this is their attempt to prevent the pirating of OS X.


http://hints.macworld.com/article.php?story=20110831105634716&query=lion+usb

If Mountain Lion comes pre-installed on my machine, how can I get the OS discs if it's only available via download?

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