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- Lifewire how to perform clean install mac os sierra upgrade#
- Lifewire how to perform clean install mac os sierra password#
- Lifewire how to perform clean install mac os sierra download#
Restore your Mac to its factory settingsįirst a bit of good news: If you have macOS Monterey on an M1, M1 Pro, M1 Max, or a Mac with a T2 chip, the process for erasing the content on your Mac has just got so much easier thanks to a new option in System Preferences.
Lifewire how to perform clean install mac os sierra upgrade#
You can refer to How to upgrade to OS X El Capitan on Apple's website for more info.
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Lifewire how to perform clean install mac os sierra download#
If you want to install El Capitan first, then download it here. Doing this is effectively the same as using the Restore From Time Machine Backup option available in the macOS Utilities window you refer to in your question.
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By doing this you can restore your entire system from your Time Machine backup (well, as much as is possible from a Time Machine backup). You can run Migration Assistant from whatever version of macOS you have installed. Safari, Mail, etc) are not migrated across (although some user data such as your Safari bookmarks will transfer across). Note that while it can transfer applications and utilities, those bundled by Apple with Mac OS X/macOS (e.g. applications, user account(s), settings). Migration Assistant can also be used multiple times so you can choose a combination of what you need to transfer across (e.g. In summary though, you can use Migration Assistant to transfer data, user accounts, settings and apps from your backup drive, and you can do this manually after installing El Capitan. Unless I'm missing something, I would just install El Capitan (if that's what you're trying to do) and then use the Migration Assistant app within El Capitan to restore from your Time Machine backup.įor more information on this, refer to How to move your content to a new Mac on Apple's website. Follow the instructions to restore your system from your Time Machine backup!.
Lifewire how to perform clean install mac os sierra password#
Paste the following command, hit Return, then input your password when prompted: sudo -b /Volumes/OS\ X\ Base\ System/System/Installation/CDIS/Time\ Machine\ System\ Restore.app/Contents/MacOS/Time\ Machine\ System\ Restore (The reason for this is that Time Machine System Restore must be launched as root in order for it to properly restore your permissions.)
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You can download one from Apple's support site, but that didn't work for me. In order to do a Time Machine system restore on a drive without a (working) Recovery partition without installing macOS first, follow the following steps: That Time Machine backup does not come with its own Recovery partition, as with a Time Capsule.You have a complete Time Machine backup (from which you did not exclude system files).You don't want to-or can't-simply install a fresh copy of macOS onto your drive and restore from there.You have a bootable drive that boots to the Finder.You don't have a working Recovery partition.