What happens if you erase disk utility Mac?
Before erasing your Mac Make a backup of any files that you want to keep. Erasing your Mac permanently deletes its files.
How do I completely wipe and restore my Mac?
Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.
How do I fully wipe my Mac?
How to Wipe a Mac With an M1 Chip
- Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
- When the Utilities window appears, select Disk Utility.
- In the sidebar, choose Macintosh HD.
- Click the “Erase” button, then select a file system format and enter a name for it.
How do I reset my MacBook Pro to its factory settings?
To do so, shut down your Mac, then turn it on and immediately press and hold four keys together: Option, Command, P, and R. You can release the keys after 20 seconds or so. That’s it!
How do I reset my Mac without deleting everything?
Now, you can get to wiping and resetting your Mac.
- Step 1: Reboot Mac in Recovery Mode. Go to Apple menu in the top left corner of your Mac screen and click ‘Restart’.
- Step 2: Erase Mac hard drive. Choose ‘Disk Utility’ and click ‘Continue’.
- Step 3: Reinstall macOS on your Mac computer.
How to erase a disk on a Mac?
If you have any files you want to save, copy them to another storage device. Open the Disk Utility app on your Mac using one of the following methods, depending on the type of disk or volume you want to erase: If you want to erase your startup disk: Start up from macOS Recovery, then choose Disk Utility from the Recovery window.
How to access disk utility on a Mac?
How to Get to Disk Utility on a Mac 1 To access the Disk Utility on a modern Mac—regardless of whether it even has an operating system installed—reboot or boot up the Mac and hold… 2 In Recovery Mode, macOS runs a special sort of recovery environment. See More….
How do I erase a volume on my MacBook Pro?
In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar. Type a name for the volume in the Name field, click the Format pop-up menu and choose APFS, then click Erase Volume Group. When the erase process is complete, click Done, then choose Disk Utility > Quit Disk Utility.
How to erase a Mac with Apple Silicon?
These steps apply only to Mac computers with Apple silicon. The steps to erase an Intel-based Mac are different. Install the latest macOS updates. If your Mac isn’t using macOS Big Sur 11.2 or later, use Recovery Assistant to erase your Mac instead of the steps in this article. Make a backup of any files that you want to keep.