Downgrade OS X Lion in Snow Leopard. Instruction

Operating System OS X Lion , publicly available since June this year, contains  more than 250 innovations . Among the new features that were available to users"Lion":  Mission Control ,  full-screen mode ,  Launchpad ,  AirDrop and many others. If you are not willing to take such drastic changes to your Mac or Snow Leopard seems to be more stable system, the instructions to downgrade Lion Snow Leopard - for you.

Note that this guide is not suitable for makovodov whose computers are left after the release of OS X Lion. At the time of writing, Mac Mini and MacBook Air in 2011 do not support the Snow Leopard.

If you're ready to go with Lion in Snow Leopard, it is highly recommended to make a backup copy of all information. Save files to an external drive can be alone or with built-in Time Machine and Disk Utility.

Method 1: System Restore from Time Machine

If you've been doing Time Machine backups to go to the Lion, then downgrade to Snow Leopard, you can for a few minutes.

Step 1 : Restart your Mac, hold down the keyboard Alt. On the screen with a choice of sections, specify Restore HD and start the computer in recovery mode.

Step 2 : Select the option Restore from backup Time Machine. Connect the backup drive and follow the instructions on the screen.

After the computer restarts you will again be Snow Leopard.

Method 2: System Restore in Disk Utility

If you clone your boot drive to an external hard drive using Disk Utility, then restore your system you can be as simple as in the first paragraph.

Step 1 : Restart your Mac, hold down the keyboard Alt. On the screen with a choice of sections, specify Restore HD and start the computer in recovery mode.

Step 2 : Connect the drive with a backup copy of Snow Leopard.

Step 3 : Select Disk Utility. When the screen appears, click the system drive on the left and right - Restore tab. Specify the source disk backup, and for the appointment line - the system disk. Click Restore.

After rebooting the computer will run Snow Leopard.

Method 3: Install "from scratch"

If this happens, you have no backup Snow Leopard, the only way doused - install "on the net." To do this you have to get out of the closet dusty installation DVD.

 Insert the CD in the drive, restart the computer while holding down Alt, and click on the screen of Mac OS X Install DVD. Perform the installation of the operating system, follow the instructions on the screen.

After a downgrade to "Barca" recommend that you check the available updates ​​with Software Update.