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- DOWNGRADE MAC OS LION TO LEOPARD MAC OS X
- DOWNGRADE MAC OS LION TO LEOPARD INSTALL
- DOWNGRADE MAC OS LION TO LEOPARD DRIVERS
- DOWNGRADE MAC OS LION TO LEOPARD UPDATE
For previous MacBook Air owners, this may be an extra impediment, and for the latest adopters of the Air and Mini, you and Lion are in it for the long haul. Unlike Lion, Snow Leopard reinstallation is disk-centric. It's particularly simple if you're diligent about backing up-especially if you use Time Machine-and, even if you aren't, manually backing up and restoring is manageable if you an external hard drive. In closing, as long as you're willing to reformat your Mac's hard drive and start fresh, reverting to Apple OS X Snow Leopard isn't a daunting process. About a third of the way through the installation process, the iMac experienced a kernel panic disabled the iMac and the MacBook Air would not boot until I restored it to Lion. To test, I tried to reimage our new 11-inch MacBook Air with Snow Leopard by connecting it with a Thunderbolt cable as a target disk to a drive-equipped iMac.
DOWNGRADE MAC OS LION TO LEOPARD DRIVERS
Snow Leopard lacks the necessary drivers for Apple's latest hardware. New MacBook Air or Mac Mini owners have no downgrade path, however. Apple also sells an external disk drive for $79. If you're running the previous version of the MacBook Airs, however, don't fret: as long as you have another computer-Mac or PC-with a disk drive, you can borrow that machine's optical drive to reinstall Snow Leopard.
DOWNGRADE MAC OS LION TO LEOPARD UPDATE
For example, in the time that you switched to Lion, Apple released another supplemental update to Snow Leopard that ought to ease any hiccups with audio or networked printers.įor diskless-Mac owners, the fact that previous directions necessitated a Snow Leopard DVD could be a bit disheartening. Copy over your user folder from that backup, and, as always, run Software Update for all the latest Apple patches and updates. Once you have Snow Leopard restored on your machine you ought to be in familiar territory.
DOWNGRADE MAC OS LION TO LEOPARD MAC OS X
From here, you can reformat your drive if need be (Utilities/Disk Utility, "Erase" as Mac OS X Extended- Journaled) and run the OS X Snow Leopard installer directly from the disk. This will force your machine to boot from your original Snow Leopard disk. In order to ensure simple restoration, here's an updated process: Quit Disk Utility and reboot your computer holding down the "C" key. Update: Some readers have reported that restoring directly from Disk Utility doesn't work for them. Select "Mac OS Extended (Journaled)"-it ought to be, by default-and click "Erase." It should only take a moment, and once it's finished, your Mac's hard drive will be as clean as the day Steve Jobs envisioned it. The first thing you'll need to do is reformat your hard disk. Once you've reached the recovery screen, Open "Disk Utility" under "Utilities" on the menu bar. Instead the easiest way is to boot into Recovery HD by holding down the command and "R" keys at startup. Furthermore, when I tried to boot off the disk the old-fashioned way (holding the "C" key at startup) I received kernel panics.
DOWNGRADE MAC OS LION TO LEOPARD INSTALL
(I received the rather creative error message: "You can't install this version of the application Install Mac OS X with this version of Ma OS X. It's not worth trying to run the installer. Unless you have data scattered across the hard drive, this ought to preserve your music, photos, videos, and documents.įrom here, insert the Snow Leopard disk. The simplest way is to copy your User folder(s) (Macintosh HD/Users) to an external disk.
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Before you get started, you'll want to back up your data (if you haven't already).