Reset Macbook Air 2019

I want to factory reset my Macbook Air 2019 with MACOS Catalina v. 10.15.7 and I see a Macintosh HD and a Macintosh HD - Data. Do I need to erase both or just the Macintosh HD? I noticed that the "data disk" has much less storage space than the "HD original". I am trying to update my Macbook Air and it says it doesn't have enough storage space for the update. Thank you in advance for replying.

Posted on Jun 21, 2022 5:37 AM

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BobTheFisherman

Level 10

84,937 points

Posted on Jun 21, 2022 6:59 AM

Follow these instructions: What to do before you sell, give away, or trade in your Mac - Apple Support

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BobTheFisherman

Level 10

84,937 points

Jun 21, 2022 6:59 AM in response to JTruj200

Follow these instructions: What to do before you sell, give away, or trade in your Mac - Apple Support

Jun 21, 2022 5:57 AM in response to JTruj200

Hi,

If you want to perform a complete factory reset, you will have to erase the volume group.

See Apple's instruction for more information:

Use Disk Utility to erase an Intel-based Mac - Apple Support

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Reset Macbook Air 2019

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