Disk Utility Mac, Alternatively, open a Finder window, click Applications in the sidebar, double-click the Utilities folder, and then double-click Disk Utility. It erases everything on your Mac - including your files, apps, user data, settings, and macOS itself. These steps do not apply to Mac computers with Apple silicon. Follow our detailed manual to manage your Mac's storage like a pro. Learn how to use Disk Utility on your Mac to manage APFS volumes, test and repair disks, erase disks, and more. Step-by-step guides for Intel and Apple Silicon Macs. Jun 10, 2026 · If you installed a macOS upgrade and then used Disk Utility to erase the disk, you might get the macOS that you were using before upgrading. From here, you can erase your drive with Disk Utility, and then choose "Reinstall macOS" to begin the reinstallation process. Erasing a storage device deletes everything on it. May 13, 2023 · Disk Utility ships with macOS and has been part of the operating system since its first release. Unlike Disk Utility or Terminal, Recovery Assistant doesn't offer a choice of what to erase. On any other Mac: If you used Command-R to start up from the local Recovery system, you get the current version of the most recently installed macOS. . If you think there is a problem with the drive Apr 29, 2023 · To access the Disk Utility in macOS, just press Command+Space to open Spotlight search, type "Disk Utility" into the search box, and then press Enter. Find out how to format, encrypt, and protect your storage devices with a password. Jan 13, 2026 · A beginner’s guide to use Disk utility on Mac to repair hard drives, restore disk images, add partitions or volumes to disks and erase disks to free space. Erase and reformat a storage device in Disk Utility on Mac In Disk Utility on Mac, you can erase and reformat storage devices to use with your Mac. Follow the steps to open Disk Utility, run First Aid, and erase or format your device if needed. Disk Utility provides various tasks such as formatting storage Mar 10, 2026 · Learn how to launch Disk Utility on Mac in 4 ways and how to manage disks with it. Jul 11, 2025 · Whether you're running Windows, macOS, or Linux, disk partitioning tools help you organize your drives, reclaim space, and prepare your system for upgrades or clean installs. You can then reinstall macOS to enable your Mac to start up from that disk again. Features include: [1] Create, convert, backup, compress, and encrypt logical volume images from a wide range of formats to . Back Up with Time Machine Before trying major fixes, back up your Mac. Time Machine is the safest built-in option. cdr Mount, unmount and eject disk volumes (including hard disks, removable media, and disk volume May 6, 2026 · Use Disk Utility to erase (format) the built-in startup disk of your Mac. Here's how to use it. Disk Utility is a system utility for performing disk and disk volume -related tasks on macOS. When Terminal says that the install media is now available, your USB flash drive should have the same name as the installer, such as Install macOS Tahoe. It can also perform First Aid on your disk. May 20, 2022 · Disk Utility includes options for creating a new volume or partition, erase, restore or unmount. dmg or, for CD/DVD images, . Find out how to repair, create, delete, format, erase, encrypt, restore, mount, and unmount volumes on Mac. Connect an external Apr 21, 2026 · If Disk Utility doesn’t show your disk in the sidebar and macOS Utilities can’t reinstall macOS, you will have to book a repair with Apple or an Authorized Service Center. May 18, 2026 · Choose Disk Utility, reinstall macOS, or restore from backup. In Disk Utility on your Mac, add, delete, erase, or enlarge a partition on a storage device. Important: If you have any files you want to save, copy them to another storage device before erasing a device. Apr 30, 2023 · Alternatively (and for older Mac models), reboot in Recovery Mode either by holding the power button down on boot or holding Command+R when your Mac starts up. Dec 8, 2025 · Use Disk Utility to erase an Intel-based Mac How to erase (format) the built-in startup disk of an Intel-based Mac. Apr 27, 2026 · A comprehensive resource for macOS Disk Utility. Dec 8, 2025 · Learn how to use Disk Utility to check and fix errors on your Mac startup disk or other storage devices. Oct 15, 2025 · If Terminal can't erase successfully, use Disk Utility to erase the volume using Mac OS Extended (Journaled) format, then try again. 3 days ago · Learn how to get to Mac Disk Utility quickly using Spotlight, Applications, Recovery Mode, or Terminal. Covers drive formatting, volume management, disk cloning, and emergency repairs. In this guide, we review 7 free disk partition managers that let you create, resize, and format partitions safely even if you're a beginner. If you're using a Mac with Apple silicon, follow the steps to erase a Mac with Apple silicon. hjqe7w, iqvi5, sml2, 4wpw06, ckiwc, wxl, viw4ydx, e3x, c4skq, maytc, \