Downgrade mac os x lion

How To Downgrade From Mac OS X Lion To Snow Leopard

When you upgrade your Snow Leopard to Lion, you were probably expecting to find an experience that was better, not worse. Gestures that made your computing experience more seamless and not more fragmented. Apparently, this is not the case for some of you. There were a lot of hardware issue and software incompatibility.

It get so bad that some of you wanted to downgrade to Snow Leopard.

Downgrading back to Lion? - Apple Community

Before you attempt to downgrade your OS, here are three possible scenarios. First is you have a backup of your Snow Leopard via time machine. Third is you own a Macbook Air or a new Mac Mini. When the computer restarts, go into options and choose "Custom Install" and select the erase and install option. Then choose the most recent backup with OS To do this, hold down Command, Option, and R while the computer is booting up.

How To Downgrade From OS X Lion to Snow Leopard

Then open Disk Utility, choose your hard drive and erase the drive. Restart your Mac, holding down the Command and R keys until you see the Apple logo. Click Continue. Choose the last backup before you upgraded to macOS High Sierra. Wait for your Mac to restart.

Navigate to the most recent backup and to the files and folders you want to restore and use Time Machine to retrieve them.

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If you used GetBackup Pro or another backup tool to backup your High Sierra disk, use its restore facility to retrieve files. Manually copy any other files from cloud storage or an external disk.

2. The “best case” solution

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How to downgrade without a Time Machine backup If you have a bootable installer, say on a USB stick, of the version of macOS you want to revert to, you can use that to downgrade from High Sierra. To reinstall macOS follow these steps: Plug the new bootable installer into your Mac.


  • How to downgrade from macOS High Sierra.
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Restart your Mac, holding the Alt key and, when you see the option, choose the bootable install disk. Launch Disk Utility, click on the disk with High Sierra on it the disk, not just the volume and click the Erase tab. Click Erase.