The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.

You can continue to find trusted guidance and support on the official Apple Support site.

We want to thank the community members who have contributed their time and expertise to help others with their Apple products.

Da-6iene8 Author

Level 1

5 points

erase and restore hard drive

when running the disk utility to erase hard drive, may I assume that all personal data is gone and only the OS remains to use for restore from backup?

MacBook Pro (2020 and later)

Posted on Nov 16, 2021 6:29 AM

Similar questions

How to Clear System Data on Mac why my system data so huge? how can clear it? last year I bought iMac. use after 3months System data looks like this. 81GB..... i really don't understand why system data so huge? I also check it DaisyDisk hidden space is 78GB [Re-Titled by Moderator]
96797 4

1 reply

leroydouglas

Level 10

208,430 points

Nov 16, 2021 6:34 AM in response to Da-6iene8

Da-6iene8 wrote:

when running the disk utility to erase hard drive, may I assume that all personal data is gone and only the OS remains to use for restore from backup?

"...while maintaining the operating system currently installed."

Yes you can read more—

ref: Erase all content and settings on Mac - Apple Support

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

erase and restore hard drive

Welcome to Apple Support Community

A forum where Apple customers help each other with their products. Get started with your Apple Account.

Learn more