How to Fix 'The bless of the installer disk failed' error when creating a bootable with an Internal partition.
This is a comprehensive guide to resolve the issue described in the post. Ensure you follow all steps carefully.
1. Prerequisites
- Hardware compatibility: Verify your exact Mac or PC model, CPU, GPU, and Wi-Fi/Bluetooth chipset.
- Required tools: Have OpenCore, OCLP, ProperTree, and a USB installer ready.
2. Compatibility Snapshot
- Check if your hardware is fully supported by the target macOS version. OCLP supports many models, but some have limitations.
3. Installation Preparation
- Configure your BIOS/UEFI settings appropriately.
- Create a USB installer matching your target macOS.
4. EFI and config.plist Review
- Review your EFI folder layout: BOOT, OC/ACPI, OC/Drivers, OC/Kexts, OC/Tools.
- Ensure essential kexts like Lilu, VirtualSMC, and WhateverGreen are present.
5. Post-Installation
- Run OCLP Post-Install Root Patch if you are on an unsupported Mac.
- Check graphics acceleration, Wi-Fi, and Bluetooth.
6. Troubleshooting
Reported issue
- For this specific issue, verify your kexts and patches are up to date.
- Check system logs and use verbose mode to identify errors.
Common Hackintosh/OCLP checks
- Stuck at Apple logo: Check verbose logs.
- No graphics acceleration: Verify Metal support.
7. Dual Boot and Advanced Configuration
- If dual booting, use separate disks when possible to avoid EFI overwrites.
8. Verification, Maintenance and Rollback
- Verify the fix worked and keep dated EFI archives.
- Have a rollback plan using Time Machine or a previous EFI.
9. References and Glossary
Original Question: "'The bless of the installer disk failed' error when creating a bootable with an Internal partition."
 | Mac Mini Late 2012 (Macmini 6'2), OCLP 2.4.1, currently running MacOS Ventura 13.7.8 I want to upgrade to Sonoma, so I downloaded the stable version from Mr. Macintosh's website: https://mrmacintosh.com/macos-sonoma-full-installer-database-download-directly-from-apple/ Sonoma 14.7.8 Build 23J520. I ran the InstallAssistant.pkg file smoothly and had the installer set. I then made a 20GB MacOS Extended (Journaled) partition off my 500GB SSD internal drive, and named it MyVolume. Now here's the issue: When I tried to create a bootable MacOS installer from OCLP, it says 'No disks found'. Due to this, I then proceeded to the Apple support page for the Terminal command for Sonoma, and when I run it, it brings me the error attached. I looked for a solution at a certain reddit comment who suggested to grant Full Disk Access to both OCLP and Terminal. I did that but to no avail. I would be grateful to receive support and guidance towards this issue. Thank you. EDIT: Also for anyone wondering, I don't have a USB at my disposal, and I installed the Ventura through the internal partition method. I don't understand why it's bringing an error now with Sonoma. [link] [comments] |
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