How do I delete everything except operating system? If you want to restore your Mac to its factory settings, for example when you want to prepare it for a new owner, first find out what to do before you sell, give away or trade in your Mac. Erasing your Mac permanently deletes the files on it. Make a backup of any files you want to keep. What happens if you erase your Mac hard drive? Select the disk you’d like to erase by clicking on it in the sidebar.Select “Disk Utility” from the OS X Utilities list.Immediately hold down the command and R keys.How do I wipe my Mac hard drive and start over? Click “Erase.” To ensure that your data can’t be recovered, click the “Security Options” button and select a method of deletion. Select “Mac OS Extended (Journaled)” from the Format pop-up menu. Can you recover an erased hard drive? How do I wipe my Mac but keep OS?Ĭlick on your hard drive and select the “Erase” tab.
Will reinstalling macOS get rid of malware?.Why won’t my Mac let me erase the hard drive?.How do I delete everything except operating system?.What happens if you erase your Mac hard drive?.How do I wipe my Mac hard drive and start over?.Just press and hold the power button on your Mac until it turns off. If you're selling, giving away, or trading-in your Mac and want to leave it in an out-of-box state, don't use the setup assistant or your previously connected Bluetooth devices, if any. After restart, a setup assistant guides you through the setup process, as if you're setting up your Mac for the first time.After joining a network, your Mac activates.To select a Wi-Fi network, use the Wi-Fi menu in the upper-right corner of the screen. You might be asked to select a Wi-Fi network or attach a network cable.When reconnecting to a Bluetooth keyboard, you're asked to choose a language. If the accessory doesn't connect within 30 seconds, turn the accessory off and back on. If it needs to reconnect to a Bluetooth accessory such as a keyboard or mouse, you might be asked to turn on the accessory. Your Mac restarts and shows a black screen or progress bar.Click Erase All Content & Settings to confirm that you want to proceed.If you're asked to sign out of Apple ID, enter your Apple ID password and click Continue.
After choosing Erase All Content and Settings, follow these steps to continue:
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