#Buy os x mountain lion disc mac os x
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To access OS X Recovery, reboot the computer while holding the Option key. After clicking download, you’ll be taken to. It will be located on the right hand side under Quick Links. When the OS X Recovery Disk Assistant completes, the new partition will not be visible in the Finder or Disk Utility. First launch the Mac App Store and find OS X Lion. Insert an external drive, launch the OS X Recovery Disk Assistant, select the drive where you would like to install, and follow the on-screen instructions.

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To create an external OS X Recovery, download the OS X Recovery Disk Assistant application. Note: In order to create an external OS X Recovery using the OS X Recovery Assistant, the Mac must have an existing Recovery HD. The OS X Recovery Disk Assistant lets you create OS X Recovery on an external drive that has all of the same capabilities as the built-in OS X Recovery: reinstall Lion or Mountain Lion, repair the disk using Disk Utility, restore from a Time Machine backup, or browse the web with Safari. Note: The term Mountain/Lion used above means Lion or Mountain Lion.Īs an alternative to the above (you still have to do your own download of Lion/Mountain Lion) you can try using Lion DiskMaker 2.0 that automates the process of Steps 2 through 4.Built right into OS X, OS X Recovery lets you repair disks or reinstall OS X without the need for a physical disc. When the clone is completed you have a fully bootable installer that you can use without having to re-download Mountain/Lion. Double-check you got it right, then click on the Restore button. Drag the mounted disc icon from the Desktop into the Source entry field. Select the USB flash drive volume from the left side list and drag it to the Destination entry field.į. Click on the Restore tab in the DU main window.Į. Select the USB flash drive from the left side list.ĭ. Double-click on the InstallESD.dmg file to mount it on your Desktop.Ĭ. You are going to clone the content of the InstallESD.dmg disc image to the flash drive as follows:Ī. Plug in your freshly prepared USB flash drive. In this folder you will see a disc image named InstallESD.dmg.Ĥ. Double-click on the SharedSupport folder. Double-click on the Contents folder to open it. CTRL- or RIGHT-click on the installer and select Show Package Contents from the contextual menu. Locate the saved Mountain/Lion installer in your Downloads folder. The format process can take up to an hour depending upon the flashģ.

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Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check theīutton for Zero Data and click on OK to return to the Erase window.į. Click on the Erase tab in the DU main window.Į. Select the volume you just created (this is the sub-entry under the drive entry) from the left side Click on the Partition button and wait untilĭ. Partition scheme to GUID then click on the OK button.

Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Partition tab in the DU main window.Ĭ. After DU loads select your flash drive (this is the entry with the mfgr.'s ID and size) from the left Open Disk Utility in your Utilities folder.ī. Get a USB flash drive that is at least 8 GBs. Go to your Applications folder and make a copy of the Mountain/Lion installer.

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After Mountain/Lion downloads DO NOT click on the Install button.

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After downloading Mountain/Lion you must first save the Install Mac OS X Mountain/ If you download your own 2nd copy then you can make a bootable installation flash drive:ġ. See OS X (Lion/Mountain Lion)- About OS X Recovery. Rather it is through Internet Recovery should it be required. Apple does not supply a freely downloadable copy via the App Store. If you want a separate copy of Mountain Lion, then you will have to purchase and download it.