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How do I downgrade my OS?

What is the best way to downgrade ones OS? For example, Big Sur to Catalina? Also, when I first did this, it changed the HD desktop icon to a slightly different one. The original just said Macintosh HD. The 2nd says, Macintosh HD-Data with an arrow at the bottom left corner. How do I get rid of that, and back to the proper Macintosh HD?

Posted on Oct 18, 2021 3:05 AM

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Question marked as Top-ranking reply

Posted on Oct 19, 2021 9:12 AM

Vonvlad67 wrote:

What is the best way to downgrade ones OS? For example, Big Sur to Catalina? Also, when I first did this, it changed the HD desktop icon to a slightly different one. The original just said Macintosh HD. The 2nd says, Macintosh HD-Data with an arrow at the bottom left corner. How do I get rid of that, and back to the proper Macintosh HD?



Revert your Mac to a previous macOS version
https://support.apple.com/en-lamr/guide/mac-help/mh15216/10.15/mac/10.15



How to erase your Intel-based Mac - https://support.apple.com/en-us/HT208496


How to reinstall macOS from macOS Recovery - https://support.apple.com/en-us/HT204904


2 replies
Question marked as Top-ranking reply

Oct 19, 2021 9:12 AM in response to Vonvlad67

Vonvlad67 wrote:

What is the best way to downgrade ones OS? For example, Big Sur to Catalina? Also, when I first did this, it changed the HD desktop icon to a slightly different one. The original just said Macintosh HD. The 2nd says, Macintosh HD-Data with an arrow at the bottom left corner. How do I get rid of that, and back to the proper Macintosh HD?



Revert your Mac to a previous macOS version
https://support.apple.com/en-lamr/guide/mac-help/mh15216/10.15/mac/10.15



How to erase your Intel-based Mac - https://support.apple.com/en-us/HT208496


How to reinstall macOS from macOS Recovery - https://support.apple.com/en-us/HT204904


How do I downgrade my OS?

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