Help because partions are broken

I want to delete my all partions on diskutil but i dosent work then i go check it out on a terminal, then i see disk broken My main drive is 512 GB. I have 3 partitions that I don’t need, and one 118 GB partition that I already unmounted. I just want to delete all partitions and reinstall macOS. I know it sounds complicated — make it better. I have mac silicon. Diskutil also dosen‘t work. And I can’t update my system because of this

MacBook Air 13″

Posted on Nov 17, 2025 11:53 PM

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Question marked as Top-ranking reply

Posted on Nov 18, 2025 4:57 AM

To reinstall macOS you'll want/need to boot your Mac in recovery and use the tools available there, including Disk Utility to erase and reformat the drive, after which you can reinstall the OS.


Apple's guidance for that is here:

How to start up from macOS Recovery - Apple Support 

How to reinstall macOS - Apple Support 

Create a bootable installer for macOS - Apple Support

2 replies
Question marked as Top-ranking reply

Nov 18, 2025 4:57 AM in response to Kuzey21

To reinstall macOS you'll want/need to boot your Mac in recovery and use the tools available there, including Disk Utility to erase and reformat the drive, after which you can reinstall the OS.


Apple's guidance for that is here:

How to start up from macOS Recovery - Apple Support 

How to reinstall macOS - Apple Support 

Create a bootable installer for macOS - Apple Support

Help because partions are broken

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