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What does erasing Macintosh HD do?
Erasing your Mac permanently deletes its files. If you want to restore your Mac to factory settings, such as to prepare it for a new owner, first learn what to do before you sell, give away, or trade in your Mac.
Are you sure you want to erase the partition Macintosh HD?
How to erase a partition on your Mac
- Open Finder from your dock.
- Select Applications.
- Scroll down and open the Utilities folder.
- Double-click to open Disk Utility.
- Select the partition you wish to erase.
- Click Erase.
- Click Erase to confirm you wish to erase the partition.
- Click Done to continue.
Can you erase a Mac with FileVault?
With FileVault turned on, you can restart your Mac into its Recovery System (by restarting the Mac while holding down the command and R keys) and erase the hard drive using Disk Utility, once you’ve unlocked it (by selecting the disk, clicking the File menu, and clicking “Unlock”).
Can you erase an encrypted Mac?
You can erase an encrypted volume without a password, so long as you don’t care about losing its contents. The newly formatted drive is available for use and has no password attached. On the matter of the sidebar: If you don’t see the sidebar in Disk Utility, choose View > Show Sidebar.
What’s the difference between Mac HD and Mac HD data?
The Mac HD – Data volume is where your files and apps are kept and you have access to them just like the older system volumes. The Macintosh HD volume is where the system and system support files are kept and the user has no access to them.
How do I Turn Off FileVault on my Mac?
Choose Apple menu > System Preferences, then click Security & Privacy. Click the FileVault tab. Click , then enter an administrator name and password. Click Turn Off FileVault. Decryption occurs in the background as you use your Mac, and only while your Mac is awake and plugged in to AC power.
How to set up FileVault on Apple Computer?
Turn on and set up FileVault 1 Choose Apple menu () > System Preferences, then click Security & Privacy. 2 Click the FileVault tab. 3 Click , then enter an administrator name and password. 4 Click Turn On FileVault. More
What does Secure Erase do on a hard drive?
I’m thinking the Disk Utility “Secure Erase” is assuming the drive is encrypted and only overwriting the encryption key for Filevault as suggested by @Malcolm. This might a bug or poorly explained feature even when erasing a traditional hard drive without Filevault.
What happens if I Lose my FileVault recovery key?
If you lose both your account password and your FileVault recovery key, you won’t be able to log in to your Mac or access the data on your startup disk. Encryption occurs in the background as you use your Mac, and only while your Mac is awake and plugged in to AC power.