If you see a message about Apple File System space sharing, click Partition to confirm that you want to partition instead. In the Disk Utility sidebar, select the name of your internal disk, container or volume, such as Macintosh HD. You can’t delete or erase your startup volume. Open Disc Utility, which is in the Utilities folder of your Applications folder. When the operation is finished, click Done. If the APFS volume you want to erase isn’t a member of a volume group, click the Erase button to erase the selected volume. If the APFS volume you want to erase is a member of a volume group, click the Erase Volume Group button to erase all volumes in the group, or click the Erase button to erase only the selected volume. Even doing it manually through disk utility doesn't work, it fails when trying to shrink the APFS container. Everythign works up to that point, but it inevitably fails during the partitioning step. ![]() Run First Aid to Repair Your Drive Before Erasing It Step 3. Show All Devices and Erase the Parent Drive Step 2. If you want to change the format, click the Format pop-up menu, then choose an APFS format. Unable to partition disk on mid-2014 MBP I'm trying to install windows through bootcamp and it just will not let me partition the disk. How to Format an SD Card on Your Mac Contents What if the Erase Button in Disk Utility is grayed Out Step 1. See the Apple Support article About macOS Recovery on Intel-based Mac computers.Įnter a new name for the volume, if desired. there is no custom partitioning option during the setup, so I was unable to set usb. ![]() To erase the volume, you need to run Disk Utility in macOS Recovery. Install macOS Monterey In this part were going to talk about the. If the Erase button is dimmed, the selected volume can’t be erased because it’s in use. Fix 2: Manually create the boot partition list disk (and make note of the disk number to install Windows to) select disk0 (where disk 0 is your destination. If Disk Utility isn’t open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon. In the Disk Utility app on your Mac, select the APFS volume you want to erase in the sidebar. ![]() When you erase a volume, all the data on the volume is permanently erased, and the empty volume remains in the container.
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