How to Fix High Sierra not booting after any Security Update
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Verify your network controller model (Intel, Broadcom, Realtek).
- Ensure the correct kext (e.g., AirportItlwm or BrcmPatchRAM) is loaded in your config.
- Clear network interfaces and reset NVRAM if changes don't apply.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
Hi everyone, recently I installed High Sierra via OpenCore. Everything boots, successful install, EFI on drive, but when I try to install a security update, selecting macOS from the OpenCore boot picker just sends me back to the picker. 🥲 I reinstalled (Third time) and don’t want to have it happen again. Any tips on why it’s not booting? Vesa mode is on, and it’s not just a black screen, it sends me back to the picker. Currently I’m on version 10.13.16 (17G66), and in order to install Nvidia Web drivers, I need to be on a higher version. My goal is to be on the latest.
Thanks!
OpenCore 0.66
Specs:
Ryzen 7 2700x (Yes i installed patches) Aorus X470 Gaming 5 WiFi 32gb DDR4 3200mhz ram Nvidia 1080ti
(Let me know if you need the config.plist ;)
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