How to Fix macOS Big Sur ACPI Error: Method parse / execution failed error
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
- Check if your GPU requires WhateverGreen or specific boot-args (e.g., agdpmod=pikera).
- Ensure Metal acceleration is fully supported for your macOS version.
- Update Lilu and WhateverGreen to the latest versions.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
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When booting macOS, I get an error like in the picture towards the end. This error message appears over and over again and again, and finally the system is booted. The same error still persists even though I patched the dsdt file by running ssdttime and ssdtprgen.sh scripts. Laptop fan is running all the time and laptop running slow. [link] [comments] |
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