how to reformat macbook pro without losing data

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.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.Enter the Apple ID is required and wait while the OS is reinstalled on your system.If you have installed Big Sur, Catalina, Mojave or earlier versions, you may have to reinstall macOS for following reasons:.Click on the Reinstall macOS option and install the OS from the Apple server or a bootable disk you have. Now quit Disk Utility and get back to the OS X utility screen.Then hit the Erase button at the bottom and wait while the drive is cleaned. When the Disk Utility window opens up, click on the Erase tab and make sure that the format is compatible with the system.You obviously want to format Mac HDD therefore, you will have to choose the Disk Utility option first. A macOS utility window will pop-up on the screen and you will see several options on the screen.Reboot your Mac and while it is starting up the press and hold the Command + R keys until you see the Apple logo on the screen.This will format HDD on Mac and you will be able to use it as new. Luckily, you can install the Mac OS from the Apple server or the recovery partition in your drive whenever you want.

It is very well-known that reinstalling the Operating System deletes every data and setting on the system.

How to reformat macbook pro without losing data