

Do you know how to wipe your MacBook clean? If you want to replace or repurpose your computer, it’s essential that you protect your sensitive information by securely wiping your hard drive.
This guide will compare the options of formatting and wiping your hard drive, and cover what you should do before getting started. Then we’ll show you 5 easy steps to securely and completely wipe your MacBook clean – for computers both with and without the Apple T2 security chip.
To gain a better understanding of your options for erasing all the information from your Mac, we will first compare formatting to data wiping.
… You should back up your data! Creating a backup is the process of saving the data you want to keep in a separate location. Data can be backed up by using Apple’s Time Machine, while you can also store information in your iCloud or iCloud Drive. Alternatively, you can copy data to an encrypted removable device or transfer data directly to another computer.
After you have backed up your data, it would be wise to ensure your vulnerable information is being kept safe by using encryption software. Check these 3 tips on how to choose the right encryption solution for you.
In addition to creating a backup, Apple recommends that you turn off certain features and services before erasing data from your MacBook.
It’s now time to securely wipe your MacBook clean. Here we’ll use BCWipe Total WipeOut. Before starting, make sure to select the right set of instructions for your use case.
Mac computers can be divided into 2 categories:
Both instructions allow you to also wipe a hard drive on a dead computer.
Not sure which type of computer you have? Find more information on Mac models with the Apple T2 Security chip.
If you haven’t done so already, get started by installing BCWipe Total WipeOut. Not ready to commit to buying the software yet? No problem, you can get started with your free trial now.
IMPORTANT: You need a Windows computer to create a bootable USB drive with BCWipe.
When asked for elevation, click 'OK'
As you will be wiping the operating system from your MacBook, you need to put BCWipe Total WipeOut on to a USB drive to move forwards.
Now you can use the default settings to wipe your MacBook.
Now, you can either proceed with the automatic or manual wiping mode. If you select automatic mode, all of your drives will be automatically wiped after booting the computer. If you choose manual mode, you can choose which drives you want to wipe and which wiping options you want to use at boot time.
If you would prefer to create a wiping USB in manual mode, please see our instructional video.
At this stage, you can create log files if you wish. Logging is useful if you want to keep a record of what has been deleted.
Your USB drive is now ready for wiping. Connect the USB to the computer you wish to erase and then boot your Mac.
If you haven’t previously done so, get started by downloading and running BCWipeTWO.dmg. Not ready to buy yet? No problem, you can get started with your free trial now.
Since you will wipe the operating system from your computer, you need to put the software on to a USB drive in order to carry out the operation.
Now, you can either proceed with the automatic or manual wiping mode. If you select automatic mode, all of your drives will be automatically wiped after booting the computer. If you choose manual mode, you can choose which drives you want to wipe and which wiping options you want to use at boot time.
The USB drive is now ready to use for wiping. You can proceed by booting the system you want to erase with the USB.
If you chose 'Automatic mode', the wiping process will start automatically and you won’t need to do anything.
If you chose 'Manual mode', you should select the drive that needs to be wiped and then press the 'Wipe' button. You can also change the wiping scheme as you see fit. Information about the selected drive will be displayed on the right.
By following either set of step-by-step instructions, BCWipe Total WipeOut will permanently remove all the information from your drive, including the macOS, file system, information about partitions, and hidden disk areas.
If you want to use your MacBook again, you will first need to reinstall your operating system. Here are Apple’s instructions on how to reinstall your macOS.
Congratulations, you have now securely wiped your MacBook clean!
To learn more about keeping your computer clean, such as wiping files on active systems, check our ultimate guide.
Happy Wiping!
Related Articles
Data Sanitization 5 Common Myths
Hardware Decommissioning Process: A 5-Step Checklist
The Ultimate Guide to Deleting Files Permanently
IRS Publication 4812 & How to Comply with Wiping Standards
DoD 5220.22-M Explained - Data Erasure Standards
NIST SP 800-88 Guidelines for Media Sanitization Explained
How to Wipe an NVMe Drive
How to Wipe an SSD on Windows 11 & 10
How to Wipe a Hard Drive on a Dead Computer
Jetico Technical Support helps customers find answers...
- Access our knowledge base articles
- Watch our How-To videos
- Contact us for insights