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barrykn / big-sur-micropatcher

A primitive USB patcher for installing macOS Big Sur on unsupported Macs
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MacOs 11.4 #232

Closed harrykl closed 3 years ago

harrykl commented 3 years ago

I downloaded macOs 11.4 and the creation of bootable USB-Stick fails. It ends with the error: "Couldn't extract BaseSystem to path: /Volumes/Install macOS Big Sur/BaseSystem. The bless of the installer disk failed."

The USB-Stick works with installation of 11.3. without problems. Have anyone an idea?

ghost commented 3 years ago

That's not a bug with this patcher, but rather a bug with Apple's createinstallmedia tool. Try redownloading the installer.

fonturbel commented 3 years ago

I just installed macOS 11.4 on a late 2013 iMac without a problem! maybe you need to re-patch the EFI boot??

harrykl commented 3 years ago

I downloaded the installer again and then I can create a bootable USB-Stick