How to clean install mac os x lion lifehacker

How to clean install mac os x lion lifehacker how to#

How to clean install mac os x lion lifehacker how to#

In fact, you can bypass installing Snow Leopard at all, it's possible to install Mountain Lion directly: Lifehacker has an article on this explaining how to create a bootable Mountain Lion installer. If you've purchased OS X Lion or Mountain Lion from the Mac App Store, you're allowed to install it on all of your personal authorized Macs You can install mountain lion on all Macs you personally own. OS X upgrades are fairly safe and while you might have to re-install a few applications (VMWare Fusion and Adobe products come to mind) you are unlikely to lose any data. You can also Erase and Install where you will lose everything. When you install Mountain Lion, you will have the option to Upgrade, keeping all your applications, users, and most of your settings, or Archive and Install which will keep a copy of your current system (which you cannot easily roll back to) but do a clean install. The only way to know if this will work is to test it.

Many OS / recover disc which come with a Mac will only work on that model. Though it is recommended to have a backup taken as it will be formatting the selected Mac disk and erases what.

Choosing a clean install will force the destination drive. Select the destination hard drive from the left side and click on the Erase tab, set the format as Mac OS Extended (Journaled) and click Erase. There is nothing else on the drive, not even any apps or files will be included. Boot from the aforementioned Lion installer by holding Option at boot and selecting the external boot installer drive. For example, if your existing computer is an iMac, and the other computer is a Mac Mini, and the Snow Leopard disc you have is the disc which came with your iMac this might not work. To clean install means, your drive is completely erased and Mac OS X Mountain Lion is installed on the new basis. Yes, depending on the hardware of the other computer and the type of Snow Leopard disc you have.