How to Diagnose Tahoe 26.5.1 on Acer predator helios 300 2020 dual boot with windows 11 x64 25h2 After an OCLP macOS Upgrade
Power, battery, Touch ID and trackpad behaviour after OCLP upgrades is usually firmware, SMC or root-patch related.
Step-by-Step Fix:
- Back up first: Make a Time Machine backup or clone before changing OpenCore, EFI, root patches, or macOS versions.
- Reset low-level state: Reset NVRAM/PRAM, then perform the correct SMC reset for the Mac model.
- Re-apply patches: Open OpenCore Legacy Patcher, run Post-Install Root Patch, reboot, then test again.
- Check hardware health: Review cycle count, battery service status, trackpad settings and Apple Diagnostics before blaming macOS.
- Compare with a supported OS: If the issue is critical, test Monterey or the last officially supported macOS to rule out failing hardware.
Final check: Change one thing at a time, reboot, and keep a copy of the last working EFI before the next test.
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