Hey everyone,
I've been trying to get macOS Tahoe running on my 2017 21.5" iMac (iMac18,2), but I've been stuck for days because my OpenCore EFI doesn't boot correctly.
My hardware:
Model: iMac18,2
CPU: Intel Core i5-7500 (Kaby Lake)
GPU: Radeon Pro 560 (4 GB Polaris)
RAM: 8 GB
My internal Tahoe installation is already there. I just need a working OpenCore EFI that can boot it.
I've tried:
OCLP 3.0.0 nightly
OCLP 2.4.1
Manually copying the generated EFI
Creating BOOTx64.efi manually
Building on both macOS and Windows
The EFI is detected by the iMac, but it either goes to a permanent black screen or kernel panics.
Would someone with a similar iMac18,2 or experience with Tahoe + OCLP 3.0.0 be willing to build an EFI for me or share a working one?
If any additional information (serials, logs, config.plist, etc.) is needed, I'm happy to provide it.
I'd really appreciate any help. This machine has become my personal boss fight 😭. Thanks!
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⚠️ WARNING:
Installing macOS Tahoe on unsupported hardware is NOT supported by the OpenCore Legacy Patcher developers. Please be aware that numerous users have attempted installation, often resulting in serious issues including hardware malfunctions and complete data loss.
Also understand that OCLP supports over 83 Mac models! Just because it "worked" on one, does not mean it will not cause major issues on your device.
NOTE: You might have seen a new piece of software called OCLP-Mod. The OCLP developers do NOT recommend using any modification of the genuine OCLP software. Keep in mind, anyone is able to make a fork of OCLP (a fork is a modification of the original project). No other software is checked and verified safe or actually working on all 83 Mac models.
In closing, please only use the genuine version of OCLP. Do not install Tahoe until a fully compatible public version of OCLP is released. Thanks!
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