How to Fix Thinkpad Helix Type 3701 getting stuck on IOConsoleUsers: gIOScreenLock when trying to boot to a Catalina installer
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:
First time trying on this machine and I’m surprised I got this far Specs: CPU: Intel Core i5 3337U dual core @ 1.80Ghz iGPU: Intel HD Graphics 4000 4gb of Ram 256gb ssd Network card: Intel Centrino No Ethernet Realtek audio
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