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#SET SD CARD AS TIME MACHINE BACKUP MAC INSTALL#
#SET SD CARD AS TIME MACHINE BACKUP MAC UPGRADE#

#SET SD CARD AS TIME MACHINE BACKUP MAC INSTALL#

Download the macOS Big Sur install from Mac App Store onto your Mac.Option #2 Reinstall macOS without Losing Data From USB Select your hard drive, click “Install” and wait for end of reinstallation.Then choose “Reinstall macOS Big Sur” from utilities window and click “Continue”.Hold down the key combination: Command+R, you will see the Apple logo.Option #1: Reinstall macOS without Losing Data From Internet Recovery Reinstall macOS Big Sur or Catalina without Losing Data. So, to save you from troubles of lost data due to macOS reinstallation, you are recommended to keep records of what apps you have installed, the account and password, also, you can take screenshots of the settings. Most of our mac users prefer to backup all files but apps. Also, you can adjust the backup setting in menu “Options”. Then Check the box before “Back Up Automatically”.Click “Select Backup Disk” to choose an external hard drive to back up the files.Go to Finder>Application, launch Time Machine and choose “Set Up Time Machine”.

Backup All Your Files for macOS Install (Crucial)īackup is an indispensable step involved in the macOS reinstallation, here are several options to backup your data. Open Disk Utility and perform the Frist Aid on your hard drive where to reinstall the macOS to make sure your drive is in good condition for reinstallation. Also, quit all apps or programs under work, so your Mac is fully geared to reinstall.Make enough room for Big Sur or Catalina reinstallation, at least 36GB, so the reinstallation process won't pause or stopped for insufficient space.But just in case of bad luck, we need to do some work on BACKUP, this is crucial for macOS reinstallation without losing data. In fact, reinstallation of macOS doesn’t necessarily cause lost data, it just create a new copy, your existing files and data saved in programs won't be altered or deleted. We all save tons of data on our Mac, so when we decide to reinstall macOS Big Sur/Catalina, the top concern always goes to “will I lost everything if I reinstall macOS”. Support Big Sur, Catalina, Mojave and earlierįree Download 3 Steps to Reinstall macOS Big Sur or Catalina without Losing Data.5 recovery modes to find files back easily.

Recover videos, audios, images, documents, and other 200+ files.

Restore data from both internal and external storage device.

Recover data lost due to accident deletion, formatting, etc.

Recover data lost due to macOS reinstallation, upgrade, downgrade.

It is not complicate to reinstall macOS Big Sur or Catalina, but if you want to reinstall macOS without losing data, there are 3 steps you must follow. In the case that you want to sell your mac, besides erasing all your personal data and traces on the mac, you will need to reinstall macOS as well. When you continuously see error messages appear on your mac, or your programs randomly crash/freeze for no reason, like FaceTime won't work, Contacts or Calendar shows a delay or mess, blue teeth or WiFi won't connect…Then, you have a good reason to reinstall macOS.

Your System Keeps Crashing or Works Improperly.

#SET SD CARD AS TIME MACHINE BACKUP MAC UPGRADE#

Therefore, doubtless, there will be new versions of macOS available to upgrade and reinstall.Īs we all know, for no specific reason, system reinstallation can magically solve a slow Mac in most cases.

Reinstall When There is New macOS Version AvailableĪpple keeps working constantly to fix bugs, make performance tweaks, add new features or enhance coding.

If you have installed Big Sur, Catalina, Mojave or earlier versions, you may have to reinstall macOS for following reasons: