![]() Apple’s servers verify the Mac model and then, assuming it’s a Mac compatible with Lion Internet Recovery, provide the roughly 4GB of data for download. When you use Lion Internet Recovery to reinstall Lion, your Mac contacts Apple’s servers, identifies itself, and requests the appropriate Lion-install data. But because these may not be options if your Mac is having problems, it’s still good to have a bootable installer drive.) (You can also copy the Mac App Store version of the installer to your newer Mac, or download it-all 4GB of it-from the Mac App Store directly to that newer Mac, and then run the installer. Those simpler instructions will create a drive that works with all current Lion-compatible Macs. As long as your downloaded installer is version 1.0.13 or later-select the installer in the Finder and use the Get Info command to check-there’s no need to perform the procedure below. Our original instructions for creating a bootable Lion-installer drive. Note: If you purchased Lion for another Mac, so you have a version of the Lion installer from the Mac App Store, you can use (Lion Internet Recovery is available on mid-2011-or-later Macs, as well as some older Macs that have received And if you’ve got a Mac that doesn’t support Lion Internet Recovery-a version of Lion Recovery based on special firmware-recovery mode may not even be available if your Mac’s drive itself is having problems, whereas a bootable install drive will always be there for you. For starters, Lion Recovery doesn’t include the full Lion installer-it requires you to download nearly 4GB of data before you can reinstall Lion-whereas a bootable installer drive contains the entire Lion installer, making installation much, much faster. For example, if you want to install Lion on multiple Macs, a bootable installer drive can be more convenient than downloading or copying the entire Lion installer to each computer.īut even for troubleshooting, a bootable installer drive has advantages over Lion Recovery. ![]() But as IĮxplained when Lion debuted, there are still good reasons to have a bootable installer disc or drive. ![]() It’s a convenient feature that, in theory, means you no longer have to carry a Mac OS X Install disc or a bootable external hard drive.
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