How to Fix Haswell GA-Z97MX-Gaming-5 Shutdown & Sleep Issues
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,
I have installed Big Sur 11.2.3 on a i7-4790K in a GA-Z97MX-Gaming-5 with a Fenvi-T919 (connected to an internal USB header to enable bluetooth) using OpenCore 0.7.9.
All works as it should, however I am getting sleep (instant wake from sleep) and shutdown (automatic restart after shutdown) issues.
As I am still running 11.2.3, I have built a custom USB KeyMap
Read more
I have installed Big Sur 11.2.3 on a i7-4790K in a GA-Z97MX-Gaming-5 with a Fenvi-T919 (connected to an internal USB header to enable bluetooth) using OpenCore 0.7.9.
All works as it should, however I am getting sleep (instant wake from sleep) and shutdown (automatic restart after shutdown) issues.
As I am still running 11.2.3, I have built a custom USB KeyMap
GA-Z97MX-Gaming-5-USB.kext with the internal USB header set as type 255, however sleep and shutdown still doesn't work...Read more
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