How To Reinstall Mac Os X Yosemite Without Disc

The initial erase and data removal process is how this primarily differs from simply reinstalling os x system software on the mac without formatting the mac to begin with which would maintain files and apps and user data whereas the factory reset completely removes everything and starts fresh.

How to reinstall mac os x yosemite without disc. And shift option command r isn t available. Macosx includes a recovery partition that allows you to easily erase all data on your mac and reinstall your os without an installation disc. If you re thinking about reinstalling because something has gone wrong with your mac know that an os x. Create a bootable install usb drive of mac os x 10 11 el capitan how to.

Format an external hard drive for mac os x. This works for imac macbook macbook pro mac mini macbook air etc. If macos sierra 10 12 4 or later has never been installed on this mac option command r installs the macos that came with your mac or the closest version still available. If you erased your entire disk instead of just the startup volume on that disk macos recovery might offer.

When you need to reinstall macos on your mac you can install it from apple using the internet or you can install it from the recovery partition included on the hard drive or flash storage of every mac. Dual boot mac os x mavericks 10 9 yosemite 10 10 how to. Both ways of reinstalling keep your files and user settings intact. This article will show you how to get started.

If os x yosemite came preinstalled on your new mac you ll probably never need this article. The version of macos offered by macos recovery might vary in some cases. This works for imac macbook macbook pro mac mini macbook air etc. In this article you discover all you need to know to install or reinstall os x if you should have to.

How to restore your mac back to it s factory settings with yosemite os x without a disc.