Note that with regard to backups, you probably won't want to recover a Time Machine backup if you don't want to copy over all the setting and preferences associated with your old system.
Hd cleaner mac how to#
Full instructions here: How to back up a Mac.
Hd cleaner mac install#
How to clean install macOS using a bootable USBīefore you begin you'll need the following: We'll explain what you need to do about that below. Recent versions of macOS offer two volumes: Macintosh HD-Data as well as Macintosh HD. We have a separate tutorial about doing a clean install of macOS using Recovery.Ī word of warning: The clean install process is different depending on which version of the macOS you are running. There is also an even simpler method that allows you to use macOS Recovery to reinstall the Mac operating system over the web. The traditional way was to make a bootable copy of the macOS installer on a USB stick and then reformat your drive before installing the bootable copy on to your Mac. Speaking of which, if an old version is what you're looking for, it may be worth taking a look at another article where we focus on that entirely: How to download and install old versions of OS X on a Mac.īefore you start, you need to know that there are two ways to do a clean installation of macOS. We'll start by showing how to do this for the latest version of macOS (which will be macOS Monterey from 25 October 2021), before moving on to the far tricker business of installing a clean copy of an older version of macOS ( Big Sur, Catalina, High Sierra, Sierra, El Capitan, Mojave, Yosemite or an even old version of OS X). Whatever the cause, if your Mac does seem to be behaving strangely, a clean install of the macOS can solve a lot of problems. It's also something computer users often resort to when they are trying to get rid of a virus (although there is a lot of debate about whether there are viruses on the Mac).
Additionally, some people like to do a clean install when they are updating their Mac to a new version of macOS.
This is often a good option if your Mac is running slow or otherwise misbehaving. In this article we're going to show you how to perform a clean install of macOS.
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