Choose the disk you want to use to save your backup data. Check Back Up Automatically and click Select Disk button in the top-middle of the window. Open Apple Menu > System Preferences and select Time Machine icon in the System Preferences folder. To make a backup of your Mac data, the built-in Time Machine backup software in Mac OS X/11 can do you a great favor.Ĭheck how to back up your Mac with Time Machine in details. Even though you decide to sell your Mac, it would be a wise decision to back up your important information in case you still need them later in the future. It's necessary to make a backup of all the important data in your hard drive before you completely wipe it. Back up Important Data before Wiping Hard Drive If your hard drive is a Solid State SATA Drive (SSD), it will look like this. Click on the Apple menu and select ' About this Mac', then select the Storage option to see which type of drive is in your system.įor example, the hard drive of my Mac is a SATA Disk (HDD). How to Tell the Type of Your Hard Driveīefore you start to wipe your Mac hard drive, you should firstly confirm whether you have a HDD or SSD. How to Wipe a Mac SSD with Apeaksoft Mac Cleaner To wipe the hard drive completely can avoid your personal data being recovered. You must don't want any one to access your private information after you sell your Mac. In this case it'd be a good idea to wipe the hard drive and reinstall the operating system to make your Mac clean like a new one as well as to protect your privacy. You may find that your Mac runs slower and slower than it's new, or you may need to sell or trade your Mac for something new.

How to clean up mac hard driv