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Mac disk utility secure erase time how to#
Mac disk utility secure erase time mac os#
Mac disk utility secure erase time password#
Mac disk utility secure erase time mac#

Similarly, you can erase the entire disk when the erase process has failed on the volumes. If you succeed at erasing the volumes, test the disk again. Therefore, if you can't erase the whole disk, try to erase volumes under it. If one of the volumes is posing problems, you won't be able to erase the disk. When you erase a disk, you are handing with all volumes it contains.

Mac disk utility secure erase time mac#

If Mac won't format the external hard drive as before, try solution 2.

Then select the drive and click First Aid at the top menu bar to check and repair errors related to the directory structure or formatting of the drive.

Now plug in your hard drive and launch Disk Utility.

Click the Apple logo > Restart to reboot your Mac to reset the system processes that may have been disrupted while using it.

On the left sidebar of Disk Utility, click the Eject icon next to your SD card or hard drives to safely eject the disk.

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If you are experiencing the "erase process has failed on mac" error while formatting external hard drives on MacBooks, MacBook Pros, and MacBook Airs, read on to get it resolved. Try to boot from a USB installer to format your drive or forcibly erase the Mac hard drive in Terminal using the steps detailed in the next section. Suppose formatting in Internet Recovery Mode is not helpful. Once you boot into Internet Recovery, follow the same procedure to erase the Mac hard drive as in Recovery mode. It allows your Mac to contact Apple's Internet Recovery server for the disk image to boot your Mac into recovery mode.Īlthough the extra process for downloading the disk image (the latest macOS compatible with your Mac) takes time, many users managed to erase the Mac hard drive when it failed in Recovery Mode. Internet Recovery Mode is similar to the standard Recovery mode, only that it doesn't rely on the recovery partition to access Disk Utility. Solution 2: Format the drive in Internet Recovery Mode If you can't erase Macintosh HD, follow solution 2 to format it in Internet Recovery Mode. Once First Aid completes, try to format the drive again. Click First Aid at the top, then hit Run.ĭepending on your drive size, amount of data on it, the potential number of errors, the time First Aid takes for a diagnosis varies.Launch Disk Utility and select your Mac hard drive from the left sidebar.Problem solved? Share your joy with others. Nevertheless, If Disk Utility still can't erase the Mac hard drive, please repair it with First Aid. But, if you did choose the volume and still failed, you can click View > Show All Devices to display all the drives, then erase the drive itself to see if it succeeds. We recommend you erase the volume but not the entire disk to avoid the "Secure Disk Erase Failed - Couldn't Unmount Disk" error. Then keep the Scheme as GUID Partition Map.

Mac disk utility secure erase time mac os#

Name the hard drive (like Macintosh HD), choose APFS for macOS 10.13 or later Mac OS Extended for macOS 10.12 or earlier.

Select Macintosh HD, then click the Erase button.

Ignore this step if your Mac is running macOS Mojave or earlier.

Select Macintosh HD - Data, click the (-) sign, then tap on Delete to confirm the deletion.

On the Utilities window, select Disk Utility.

Mac disk utility secure erase time password#

Select a language, then your account, and enter the password for it.

On an M1 Mac: Turn off your Mac, and press the power button until you see the Options Menu. On an Intel-based Mac: Restart your Mac, then hold Command + R keys until the Apple logo shows up. That's because you can't erase the drive you are currently running from, and you need to boot into Mac Recovery mode to format the Mac startup disk.

If you are trying to format the Mac hard drive or its volumes - Macintosh HD and Macintosh HD - Data, you will inevitably see the Erase button grayed out in Disk Utility.

Mac disk utility secure erase time how to#

How to fix the Erase button grayed out in Mac Disk Utility? How to fix the 'Erase process has failed' error on Mac? What to do when Disk Utility can't erase Macintosh HD? Here, we will discuss solutions to solve these Disk Utility erase errors so you can format the disk. You may fail to erase APFS volume on your Mac hard drive or an external hard drive when the erase button is grayed out on Mac Disk Utility or when you receive the "Erase process has failed" error message. What to do when Disk Utility won't let you erase sd card s, USB drives, and other hard drives on Mac?