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Purge button in disk utility won't work

Why won't Disk Utility let me erase by hard drive while using IOS 10.12.6

MacBook Air 11″, macOS 10.12

Posted on Jan 7, 2021 10:47 AM

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PRP_53

Level 10

91,879 points

Posted on Jan 8, 2021 2:12 AM

That is because Sierra is booted and active. One can not delete the hard drive while booted into the macOS. Suggestion, if one wants to delete everything for computer, make sure to have the replacement macOS already download and a Bootable Installer created. That will be one of several ways to preform an " Erase and Clean Install ".

In this Link Apple offers several macOS options and how to create a Bootable Installer. Be sure to check which macOS the machine is compatible to use before attempting

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Purge button in disk utility won't work

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