Apple’s Worldwide Developers Conference to kick off June 10 at 10 a.m. PDT with Keynote address

The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.

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kgrimes99 Author

Level 1

8 points

What I see Macintosh HD but the Erase tab is not operative?

Posted on Dec 26, 2020 8:25 AM

Best reply

HWTech

Level 9

56,402 points

Posted on Dec 26, 2020 6:39 PM

Are you booted into Internet Recovery Mode (Command + Option + R) or from a bootable macOS USB installer? You cannot erase the drive while you are booted to it.

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What I see Macintosh HD but the Erase tab is not operative?

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