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Error 702 Installing macOS on an External Drive
- The issue discussed in the article surrounds the error encountered while installing macOS on an external drive on Apple Silicon Macs.
- Intel boot drives cannot be used with Apple Silicon Macs, leading to complexities in the installation process.
- Creating a bootable installer and mounting InstallESDDmg.pkg file posed challenges during the installation, resulting in error 702.
- Various attempts with different macOS versions and destinations drives still resulted in error 702.
- Connecting the external drive to a different port other than the DFU port on Apple Silicon Macs may resolve installation issues.
- Installing Sonoma from recovery on the external drive seemed to work normally, enabling successful booting.
- Creating a fresh Sonoma recovery partition on the external drive potentially resolved the installation error.
- Despite not fully understanding the intricacies, the author managed to create their external boot drive after several installation attempts.
- Additionally, an issue with APFS backward compatibility was discovered, causing compatibility problems with older macOS versions.
- Further exploration into the APFS compatibility mystery was deferred for future investigation.
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