Friday, June 10, 2011

Creating a Bootable Install Disc for Mac OS X Lion

These instructions are born from the 10.7 developer preview but should remain identical come time for the July public release:

  • Download Mac OS X Lion from the Mac App Store as usual
  • From the Mac OS X Finder, locate the Mac OS X Installation file that was downloaded, right-click, and "Show Package Contents"
  • Find and open the "SharedSupport" folder and locate a disc image file called "InstallESD.dmg"
  • Copy "InstallESD.dmg" to your Mac OS X Desktop, this is the Lion disk image and what you're going to create the bootable DVD from
  • Now launch Disk Utility (/Applications/Utilities/), pop in a blank DVD, select the "InstallESD.DMG" file, and click on "Burn"
Read the full article here.

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