Dual Boot Mac Os X Lion

Mac OS X Lion is the latest operating system released by Apple for their line of desktop and laptop computers. One major difference between Lion and past releases of OS X is the fact it’s only available as a download through the Mac App Store and not available as a physical, retail disc. This article article will walk you through the process of dual booting Mac OS X Lion with your previous install of OS X or any other.

Steps

  1. Download Mac OS X Lion from the Mac App Store.
  2. Navigate to Applications>Utilities> and double-click Disk Utility.
  3. Select your hard drive in the left pane of Disk Utility followed by the “Partition” tab from the right pane.
  4. Click the “+” button to create a new partition and give it a name format and size. Note: Your format should be Mac OS Extended (Journaled).
  5. Double-click the OS X Lion Installer app you downloaded to launch it.
  6. Click “Continue” on the welcome screen to start the installation process.
  7. Click “Agree” followed by the blue “Agree” button to agree to the terms of software license agreement.
  8. Click the “Show All Disks…” button.
  9. Click the partition you created from the list of available disks followed by the “Install”.
  10. Enter your administrator password when prompted and click “OK” to begin the installation process. Your computer will automatically restart and begin the installation process. After the installation process is finished, you will be prompted to restart your Mac again.
  11. Hold down the “option” key on your keyboard while your computer is booting to select which hard drive or partition to boot into.

Tips

  • You can open Launchpad in OS X Lion using custom shortcuts or hot corners by setting them in System Preferences.
  • Swipe between pages of apps in Launchpad by clicking and holding your mouse while making a swiping gesture left or right, or use a two finger gesture on your trackpad.

Warnings

  • OS X Lion is only available as a downloadable upgrade through the Mac App Store.

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Sources and Citations

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