If you want to make sure that your data is completely unrecoverable, you can use a file shredder. Once it’s open, select the disk that you want to erase and click on the ' Erase' button. To use Disk Utility, open it from your Applications folder.

We recommend using Disk Utility, which is a built-in disk eraser for Macs. There are a few disk erasers that you can use to wipe your Mac OS X. There are a few ways to wipe your Mac OS X: How do I factory reset my Mac OS X 2011? How do I completely wipe my Mac OS X? Click Continue and follow the instructions to reinstall macOS. Choose Reinstall macOS from the list of options.ġ0. When the erase process is complete, quit Disk Utility and return to the Recovery Mode screen.ĩ. In the Erase dialogue box, choose Mac OS Extended (Journaled) from the Format drop-down menu.Ĩ. In Disk Utility, select your startup disk from the list of drives.ĥ. At the Recovery Mode screen, choose Disk Utility from the list of options.ģ. Start your Mac and hold down Command+R to enter Recovery Mode.Ģ. How do I remove an old owner’s Apple ID from my Mac?ġ.Do you need Apple ID password for factory reset?.How do I factory reset my Mac using Command prompt?.How do I override administrator name and password on Mac?.How do I wipe my Mac hard drive and start over?.How do I factory reset my Mac and fresh without Apple ID?.How do I reset my Mac to factory settings at startup?.How do I reset my Mac to factory settings without System Preferences?.How do I reset my Mac to factory settings without administrator password?.How do I factory reset my Mac OS X 2011?.

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