![]() ![]() If the Security Options button is not available, Disk Utility cannot perform a secure erase on the storage device. Open the disk utility app and select the hard drive you want to format. To learn how to start up your computer in macOS Recovery, see Intro to macOS Recovery. ![]() Secure erase options are available only for some types of storage devices. You can forcibly erase a hard drive from your Mac using the disk utility application. 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 your computer in macOS Recovery, then choose Disk Utility in the Recovery app. (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK. If the Scheme pop-up menu isn’t available, make sure you selected the storage device you want to erase-it’s at the top of the hierarchy.Ĭlick the Format pop-up menu, then choose a file system format. Ĭlick the Scheme pop-up menu, then choose GUID Partition Map. In the sidebar, select the storage device you want to erase, then click the Erase button. Undo Disk Utility Erase by Using the Restore Feature in Disk Utility Go to Applications > Utilities folder and find the Disk Utility icon in the. If you want to erase any other type of storage device: Double-click Disk Utility in the /Applications/Utilities folder. Note: If you want to get your Mac ready to trade in, sell, or give away, and your computer is a Mac with Apple silicon or an Intel-based Mac with an Apple T2 Security Chip, use Erase Assistant. ![]()
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