Introduction
- Overview of the setup: Late 2012 iMac with an external SSD connected via USB.
- Explanation of the need to install MacOS Ventura due to Catalina being the latest officially supported OS.
Preparation
- Checklist of requirements: MacOS Ventura installer, Legacy Patcher, external SSD, USB drive.
- Ensuring data backup and necessary tools for SSD installation.
Installing MacOS Ventura
- Step-by-step guide to creating a bootable MacOS Ventura USB installer.
- Instructions for configuring Legacy Patcher for compatibility with MacOS Ventura.
- Booting from the USB installer and initiating the installation process on the external SSD.
First Boot and Installation Halt
- Description of the issue encountered after the first reboot during installation.
- Analysis of the displayed disk drives and EFI partition without the installation proceeding automatically.
Troubleshooting and Solutions
- Possible reasons for the installation halt with MacOS Ventura.
- Troubleshooting steps:
- Verifying Legacy Patcher settings and compatibility with MacOS Ventura.
- Checking EFI partition and boot loader configurations.
- Investigating potential conflicts or errors during installation.
Resuming Installation
- Workaround solutions to continue the installation process after the first boot.
- Manual intervention steps to resume installation on the external SSD.
Testing and Validation
- Instructions for testing the implemented solutions.
- Validation process to confirm successful continuation of MacOS Ventura installation.
Post-Installation Configuration
- Finalizing MacOS Ventura installation on the external SSD.
- Configuring system settings and optimizing performance.
Final Thoughts
- Summary of the installation process and troubleshooting experience.
- Encouragement for users facing similar challenges to explore solutions and share experiences within the Hackintosh community.
By following this guide, users can successfully install MacOS Ventura on an external SSD connected via USB to their Late 2012 iMac, overcoming installation halts and ensuring a smooth transition to the latest MacOS version.
Hello. I have a 21.5-inch, Late 2012 iMac. MacOS Catalina is the latest official version of the operating system it supports. It has a 1TB internal hard drive and an external SSD connected via USB to which I installed MacOS Catalina. I haven't installed the SSD internally in the iMac because Apple authorized service centers won't service it as it's considered "obsolete" according to Apple's policies. I have never opened an iMac, and I am afraid of damaging it, so I'm waiting to order adhesive strips for the screen from Amazon and waiting for my brother to help with the internal SSD installation. But it works very well for me, booting the system externally from the SSD, and it's very fast.
I tried to install MacOS Ventura with Open Core Legacy Patcher on that external SSD, but the problem that arose is that on the first reboot, to continue the installation, it doesn't proceed automatically. All disk drives, including the USB memory stick installation drive and the EFI partition, are displayed. However, it is no longer possible to continue the installation. Any ideas on how to solve this so that the installation continues normally after the first boot? If I install MacOS Catalina on the external SSD, the installation continues after the first boot. But not with Ventura. Thank you for your help =)
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