support.apple.com/Mac/startup

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Level 1

4 points

I want to reset my MacBook for sell, but accidentally deleted all volumes in disk Utility, now my MacBook totally cannot start up.

it appear support.apple.com/Mac/startup with question mark.

I tried to restart and pressing command+option+R+P to reset the NVRAM, but also same, cannot start up the MacBook at all…

M what should I do now?

MacBook Air

Posted on Jan 22, 2022 10:28 PM

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Answer 1

Top-ranking reply

Level 9

56,127 points

Follow these steps:

Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off.
Turn on your Mac and immediately press and hold Command (⌘) and R to start up from macOS Recovery.
While in macOS Recovery, use Disk Utility to repair your startup disk.
If Disk Utility found no errors or repaired all errors, reinstall macOS.
If you still need help, please contact Apple Support. 

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Answer 2

Level 10

91,177 points

Was this method used for Apple Silicon M1 computer >> Use Disk Utility to erase a Mac with Apple silicon

How to reinstall macOS this link contains methods for both Intel and Apple Silicon M1 computers.

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