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Will Restore on Mac erase files?
Because restoring your Mac replaces the contents of your computer with a default version of OS X, your existing files, preferences, settings and third-party software will be deleted.
Will Internet Recovery wipe my Mac?
No, doing an Internet Recovery will not erase your hard drive (unless you explicitly choose do to that using Disk Utility ). It will only reinstall the OS for you.
How do I securely erase my Mac hard drive?
Just shut down your Mac, and then turn it back on. As soon as you hit the power button, hold down Option + Command + P + R on the keyboard. You can release the keys after about 20 seconds. Once done, your final step is to erase the hard drive and reinstall macOS.
Is there a way to erase a hard drive on a Mac?
Use Disk Utility to erase (format) a hard disk, flash drive, or other storage device for Mac. Disk Utility can erase disks, add volumes, check disks for errors, and more. Erasing a disk or volume permanently deletes all of its files. Before continuing, make sure that you have a backup of any files that you want to keep.
If you don’t see it there, choose Apple menu > Shut Down, then unplug all nonessential devices from your Mac and try again. If your disk still doesn’t appear in Disk Utility, or Disk Utility reports that the erase process failed, your Mac might need service.
Where is the Disk Utility on a Mac?
In the Disk Utility app on your Mac, choose View > Show All Devices. If Disk Utility isn’t open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon .
How to erase an Intel-based Mac-Apple support?
How to erase an Intel-based Mac 1 Before erasing your Mac. Make a backup of any files that you want to keep. 2 Use Disk Utility to erase your Mac. Start up from macOS Recovery: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo 3 If you don’t see Macintosh HD in Disk Utility. 4 Learn more.