Once there, you will find a file called InstallESD.dmg. Go to the Contents folder, then the SharedSupport folder.Right-click on the Lion Installer and select “Show Package Contents” from the menu.Navigate to your Applications folder in Finder and find the Install Mac OS X Lion file.Quit the installer – we’ll come back to it later.
After downloading Lion from the Mac App Store, an installer window will launch.If you’ve already installed Lion, skip to the bottom of this tutorial before attempting this set of steps. There is one catch – you must go through this process after you download Lion, but before you actually install it. While the solution below is still accurate and usable, it is recommended that users take advantage of Apple’s official solution. This could be a DVD, a USB flash drive, an SD card, or an external hard drive.Īpple has released a utility called the Lion Recovery Disk Assistant, which makes all the steps in this article unnecessary. Or you could save yourself the frustration and create your own Lion boot device that, technically, would be able to install Lion on any compatible Mac. When you get a new hard drive, you’d have to install Snow Leopard from its DVD first, then download and install Lion all over again after that.
Let’s say your Mac’s hard drive dies a few months from now and you originally upgraded from OS X 10.6 Snow Leopard to Lion.
That means no driving to the store, no waiting for a package to be delivered, and no lines! It also means no physical media such as a DVD to keep as a backup in case of emergency. Beyond all of Lion’s great new features, it’s also the first Apple operating system to be sold and distributed through the Mac App Store. Yesterday Apple unleashed Lion, the latest version of OS X for Mac computers. This would make it much easier to re-install Lion in the event that your hard drive fails. After downloading OS X 10.7 Lion from the Mac App Store, it might be a good idea to create your own boot disc or recovery drive.
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