Erase process has failed | macOS High Sierra FIX – MacBook. iMac, Mac Pro, Mac mini

Wired August 30, 2026 4 weeks ago 1 min read 4

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There are 2 ways to fix this disk utility error message in Mac.
CODE you need for Terminal: Step 1: diskutil list Step 2: diskutil unmountDisk force

4 Comments

@Travis.O

4 weeks ago

didn't work…
@JoseZamMe

4 weeks ago

it worked!! thanks
@imoscared

4 weeks ago

didnt work 😛
@TechandDesign

4 weeks ago

CODE you need for Terminal: Step 1: diskutil list Step 2: diskutil unmountDisk force