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. 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. When I run Diskutil, the following information appearedĢ: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF 191.5 GB disk0s2ģ: Microsoft Basic Data Sin título 8.0 GB disk0s3Ĥ: Apple_APFS Container disk1 40.3 GB disk0s4Ġ: APFS Container Scheme - +40.3 GB disk1ġ: APFS Volume Mac2 - Datos 7.9 GB disk1s1ġ: Apple_APFS Container disk3 20.4 MB disk2s1Ġ: APFS Container Scheme - +20.4 MB disk3ġ: APFS Volume wxHe圎ditor for Mac 8.9 MB disk3s1ġ: Apple_HFS iBoysoft Data Recovery 61.What to do when Disk Utility won't let you erase sd card s, USB drives, and other hard drives on Mac? Unmount was dissented by PID 1 (/sbin/launchd) Unmount of disk0 failed: at least one volume could not be unmounted Then I read about the force unmount to solve it but appear this message: Gpt remove: unable to open device '/dev/disk0': Resource busy I read some posts, but when I try to run the function: Next, I installed macOS on the Ubuntu partition and I am trying to repair the lost partition from the terminal.

I tried to fix with Disk Utility on cmd+r, but it did not work. When I restart the MacBook and pressed option, nothing appeared. After deleting my Ubuntu partition, I lost my principal partition of macOS x. I have an issue with my MacBook mid 2012.

Unable to partition disk mac