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User profile for user: macryzen
macryzen Author
User level: Level 1
4 points

how to create a mac os X mountain lion bootable USB from macos catalina

hello Apple's community


I just acquired a 2010 macbook pro with a failing hard drive, I've replaced the drive and tried to install the OS following this link https://support.apple.com/en-us/HT204904


I'm facing an issue and decided then to buy mac os x mountain lion in the perspective to create a bootable usb stick


the problem is that I'm not able to find the download link of my purchase


I'm using my current macbook pro with catalina


regards

Posted on Jul 27, 2020 8:55 AM

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User profile for user: random47
random47
User level: Level 1
38 points

Jul 28, 2020 8:16 PM in response to macryzen

Read this artical: again!

https://support.apple.com/en-us/HT204904

Start up from macOS Recovery

To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following sets of keys on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen.


Command (⌘)-R Reinstall the latest macOS that was installed on your Mac (recommended).


Option-⌘-R Upgrade to the latest macOS that is compatible with your Mac. (My recommendation)


Shift-Option-⌘-R Reinstall the macOS that came with your Mac, or the closest version still available.


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how to create a mac os X mountain lion bootable USB from macos catalina

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