best way to backup mac for clean install

Best Way To Backup For Clean Download The MacOS
Best Way To Backup For Clean Update The Recovery
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If a wireless network is available, you can choose it from the Wi-Fi menu, which is also available in macOS Recovery.

Release the keys when you see an Apple logo, spinning globe, or other startup screen.

If you need to erase before installing macOS, select Disk Utility from the Utilities window, then click Continue.

When the new owner starts up the Mac, they can use their own information to complete setup.

Will it bring back stuff from 2014 in keychain app Because I want them to gone, Safari auto fill passwords are good enough for me.

AirTags macOS 11 Big Sur iMac AirPods Studio Apple Glasses Foldable iPhone See full product calendar How to Perform a Clean Installation of macOS 10.15 Catalina Thursday October 10, 2019 7:02 PM PDT by Tim Hardwick This article guides you through the process of performing a clean installation of macOS 10.15 Catalina using the bootable USB drive method, rather than upgrading your Mac using Apples standard installation package, which retains existing user data and any user-installed apps.

Performing a clean install can also remove annoying quirks and strange behaviors that your Mac may have inherited over time, and often helps to reclaim disk space caused by junk files left by third-party apps.

Look just below the OS X version number in the Overview tab if the Mac model name is the same or a later model year than the one shown in the compatibility list above, your Mac is compatible with macOS Catalina.

This will take a few minutes to complete, so leave it running until you see the message Install media now available.

Note that if youre asked whether you want to install Xcode during the process, you can safely click Not Now and the process will complete successfully regardless.

To do so, restart your Mac and hold down the Option () key as soon as you hear the reboot tone.

When you hear the boot tone, hold down the Option () key and follow the three steps above.

Score: 9 Votes ( Like Disagree ) TarnishedTinMan 13 months ago I am not sure the process in the article works with any of the T2 security chip Macs.

My 2019 MacBook Pro among them) On those units, the T2 controls the ability to boot from an external drive.

To be able to boot off the external drive you have to authenticate as an administrator.

In regards to the Internet Recovery method, mentioned in the comments, that will recover you to the OS that was last installed on the Mac, not install a new one.

One more thing, if you erase the main drive and then reboot with a T2 Mac you will have to authenticate as an administrator as I already mentioned to boot off the USB drive, but the Mac looks at the boot drive for administrators that you can log into the security menu to boot from the external drive.

Erased boot drive so no known administrators, so no way to boot off the USB drive.

Only a small amount of panic at this point) What I ended up having to do was the Internet Recovery method, which is how I know it will only allow you to install the last installed OS.

Then booted from the USB drive again, formatted the drive again, rebooted and used internet recovery to install the last installed version of the OS which now was Catalina.

If you are curious about the T2 chip, this white paper helped me to figure out what to do once I was hosed with no administrator: If you dont trust the link, search on AppleT2SecurityChipOverview and that will pull the article up too.

I am sure there is a more elegant way to accomplish this same thing when a T2 chip is involved.

Score: 7 Votes ( Like Disagree ) konqerror 13 months ago In regards to the Internet Recovery method, mentioned in the comments, that will recover you to the OS that was last installed on the Mac, not install a new one.

No. Command-option-r will load the latest OS compatible with the Mac.

Best Way To Backup For Clean Update The Recovery

It does take a little while for Apple to update the recovery image after release, but it is working now.

Score: 4 Votes ( Like Disagree ) ipedro 13 months ago Ive got so much cruft from years of installs on top of installs that I may yet go for a clean install.

Looking through my apps and finding a bunch of old 32Bit apps that I cant use anyway, it might be a good excuse to start over, with only 64bit apps.

Score: 4 Votes ( Like Disagree ) pika2000 13 months ago I dont understand why its so complicated nowadays to do an offline clean install.

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In contrast, Microsoft is making it ultra easy to do an offline clean install of Windows 10 by providing a straightforward utility to create a generic Windows 10 bootable USB that can be used to install any version of Windows 10.

Score: 4 Votes ( Like Disagree ) pj-uk 13 months ago It is amazing how people complicate things to install macOS including third-party applications like Install Disk Creator, DiskMaker X or similar; and even Terminal commands.

Best Way To Backup For Clean Download The MacOS

Just 1-2-3: 1. Download the macOS installer and open it.

Select the desired destination disk and install.

Boot from such disk.

The Mac way If you read the article it says How to Perform a Clean Installation of macOS 10.15 Catalina.not an update.

After I do a clean installation I will login to my iCloud and App Store accounts.

Best Way To Backup Mac For Clean Install