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Cannot reinstall macOIS Sierra

I have a 2017 MacBook Pro and wanted to reset my laptop. I went via disk utility as erase content settings was frozen to me. I followed apple instructions to reset format the disc and install macOS Sierra, but when I go through the install it fails every time. This has happened at least 6 /7times now.


Any advice please?

MacBook Pro (2017 – 2020)

Posted on Aug 14, 2023 8:16 AM

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Question marked as Best reply

Posted on Aug 24, 2023 5:54 AM

This is the Apple procedure. Did you follow it?

Create a bootable installer for macOS - Apple Support


This Apple procedure will also get you a fresh OS installation.

What to do before you sell, give away, trade in, or recycle your Mac - Apple Support


2 replies

Cannot reinstall macOIS Sierra

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