How to format your mac mini

There are so many precious files or memories kept there which we may have forgotten, family photos, videos, work reports, books, dissertations, presentations files, research reports and more. Part 1. Before resetting factory settings.

To avoid losing data, the first solution comes to our mind is to back up Mac, right? All Mac OS has the built-in feature to backup Mac. It is Time Machine.

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To use it, you need to have an external storage solution set up. Here are the steps for how to set up an external hard drive to back up with Time Machine and how to reset Mac without losing data. Connect the external hard drive, like USB flash drive, with your Mac. When your Mac detects it, a pop-up will appear, asking you whether to use the drive to back up with Time Machine or not.

After setting up the external hard drive to back up with Time Machine, then the Time Machine will back up your Mac hourly for the past 24 hours. For the first backup, it may take a long time.


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It fully depends on the size of files on your Mac. Click the Apple logo on the top left of your Mac and select " Restart ", waiting for its startup procedure.

How to back up your Mac

After then, you can see the " startup disk " or other related information. It differs for different version or macos.

Select the option and click the " Erase " tab. Select it and confirm the action. After then, you just need to follow the built-in guide to reset your Mac: connect to internet and download the new Mac OS. Some people may wonder whether it is possible to recover the important files from Mac if they forget or are unwilling to back up the Mac with Time Machine before resetting it to factory settings.

To be honest, it is hard to tell, because nobody knows how much data will be overwritten during the resetting process. Without it, that data is encrypted. Losing a FileVault key happens more frequently than it should. Be warned, however, that the initial encryption process can take hours, as will decryption if you ever need to turn FileVault off. That deletes the FileVault key, which means any data on the drive is useless.

Terminal provides you with command line interface access to the OS X operating system. Once your Mac has booted into the Recovery partition, click the Utilities menu and select Terminal to launch it.

Best way to Format Your Mac (For beginners)

That tells your Mac to securely erase the free space on your SSD. DRIVE should be changed to the name of your hard drive. Get the latest from Backblaze straight to your inbox.

No Spam. Unsubscribe any time. Address will be used according to our Privacy Policy. Make sure your Mac is turned off. Press the power button. Immediately hold down the command and R keys. Wait until the Apple logo appears.

How to Wipe Your Mac and Reinstall macOS from Scratch

Click Continue. Click the Erase button. Click the Security Options button. The Security Options window includes a slider that enables you to determine how thoroughly you want to erase your hard drive.

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Click the Erase button to begin. Bear in mind that the more secure method you select, the longer it will take.

Step Two: Securely Wipe Your Hard Drive (Optional)

The most secure methods can add hours to the process.