Thats why apart from central Macintosh HD volume, there is Macintosh HD - Data volume, which contains all your data.

It deletes system junk, hidden background apps, and their leftovers.

Not only is it essential for your privacy, but it is also the right way to prepare your MacBook for another owner.

Thats why you need to create a backup to save your important files and data.

This is like cloning your hard drive and keeping it for some time.

However, the faster and more secure way to back up your Mac is Time Machine Macs built-in software.

It allows to recover individual files and restore your whole hard drive in the event of a catastrophe.

You dont want to back up all the junk it contains, do you Plus, a backup will go faster and more smoothly if your Mac is not cluttered.

For a quick cleanup, you can use a utility like CleanMyMac X.

It will help you remove large and old files, useless apps, caches, and system junk in two clicks.

Choose the disk youd like to use as a Time Machine backup, then click Use Disk.

Check the Back Up Automatically box in order to back up your Mac to the chosen disk automatically.

But dont skip this step the backup will allow you to restore all your data should something goes wrong when you factory reset Mac.

You can only deauthorize iTunes if your Mac is running macOS Mojave or earlier.

FileVault encrypts your data and prevents unauthorized access to the information on your startup disk.

Docker Reset To Factory Defaults Password To Decrypt

So, even if you are going to sell your Mac, the purchaser wont be able to access your data as theyd need your password to decrypt it.

Complete factory reset covers erasing your startup disk (described in Step 7), which will make the recovery of your data impossible.

Therefore, there is no need to turn off FileVault, as your data cant be accessible in any readable form after you erase the drive.

Confirm that you want to remove data from your Mac.

Type this command in Terminal: xartutil --erase-all Press Return, type yes when asked if you are sure, and press Return again.

Docker Reset To Factory Defaults How To Restore Mac

The following steps will tell you how to restore Mac to factory settings.

Go to the Apple menu in the top left corner of your screen and choose Restart.

It means that the new macOS is running a separate system volume to keep critical system files more protected.