For more information read: Backing up a Mac. How you do this will depend on whether you want to recover your Mac into the same version of the Mac operating system, or if you were hoping to do a clean install. What you need to reinstall macOSĪ back up: If you are planning to wipe your Mac as part of this process (either because you think that a clean slate might fix issues you are having, or because you are selling the Mac) you may want to back up your important documents first.
Recovery os x yosemite install#
We also have this article about doing a clean install of macOS using a bootable drive. If your Mac doesn't boot in Recovery mode, read this: Mac can't access Recovery mode. Because macOS is normally installed via Software Update (or previously the Mac App Store) there are no physical installation disks, therefore Apple has made it possible to install the operating system over the internet using the Recovery HD.Īn alternative option would be to create a bootable macOS install on an external drive. Our method involves using the Recovery partition via which you can reinstall the latest version of the macOS you installed on your Mac. Whatever your reason to reinstall macOS, we will show you one of the simplest ways to do so below. It is even possible to reinstall the version of the macOS that your Mac shipped with - which might enable you to revert to an older version of the operating system if the latest version is upsetting you. Perhaps your Mac is working erratically and you think that a clean install of the operating system might fix the issue.Īlternatively, you might be planning on selling your Mac, or passing it on to a member of the family (in which case, you need to wipe it first and return your Mac to factory settings).
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Recovery os x yosemite mac os#
There are a few reasons why you might want to reinstall macOS (or even Mac OS X).
Recovery os x yosemite how to#
How to connect to the internet in macOS Recovery mode Standalone updates can be useful if you want to install the same update again or on another computer.How to install an older version of macOS using Recovery mode
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The OS X Yosemite 10.10.5 update improves the stability, compatibility, and security of your Mac, and is recommended for all users. The OS X Yosemite v10.10.5 Update is recommended for all OS X Yosemite users.