This method is preferred if you need to install a version of macOS that didn’t come with your Mac. The other option is to download the installer and create a bootable external install drive. That means if your Mac shipped with macOS 10.12 Sierra, you will install the most up-to-date version of Sierra. The “from scratch” option is to install the original macOS it shipped with. There are two options for reinstalling macOS: from either the internet or a bootable drive.
Learn how to back up your Mac by clicking the above image. Visit the software manufacturer’s support page for more information.
If the software also has a license placed on your computer, remove or backup the license before continuing.
This is crucial, especially if you are starting from scratch and don’t have a Time Machine backup to revert to. Make note of any applications or plug-ins which may need to be reinstalled. Take note of all the software you have, because they will need to be reinstalled once the Mac is erased. View our Mojave compatibility guide for more information about your product manufacturer’s compatibility statement for macOS 10.14 Mojave.īacking up your Mac will save a snapshot of all its files. Most manufacturers announce compatibility results shortly after the macOS release date, but older products can often become obsolete and no longer receive updates. If there are no compatibility updates yet available, you might need to wait. If there is an update available, you might just need to install the update to fix the problem. Follow the steps below to back up your Mac, erase the startup disk, and then reinstall macOS.Īnswer: it depends! Upgrading your operating system is usually a good thing that is, unless it “breaks” 3rd party software like DAW’s, plug-ins, or audio/MIDI device drivers. If you’ve recently upgraded to macOS Mojave and noticed issues with your software or hardware, it may be due to a compatibility issue. Incompatibility problems can be resolved in one of two ways: update the software or erase your Mac and reinstall a compatible version of macOS.īefore you consider rolling back your operating system, you should first check with the product’s manufacturer for compatibility information. While Macs that ship with Mojave cannot be downgraded, any Mac which can upgrade to Mojave can be erased and have its macOS reinstalled. In this article, we will show you how to downgrade your Mac from Mojave to a previous operating system. If you’ve recently upgraded your Mac’s operating system to Mojave and need to go back, this is the guide for you.