How to Fix NVRAM for HM370 chipset
This guide provides a structured approach to troubleshoot and resolve the reported issue.
Quick Fix Steps
- Identify your hardware: Record the model identifier, CPU, GPU, storage type and wireless chipset.
- Check compatibility: Compare your hardware against current OpenCore or OCLP compatibility notes.
- Update core files: Refresh kexts, OpenCore and config snapshots as one controlled change.
- Test one feature at a time: Boot, graphics, network, sleep and apps should be verified separately.
Verification
- The machine boots consistently.
- The original problem can no longer be reproduced.
- No new critical feature broke during the fix.
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Original Question: "NVRAM for HM370 chipset"
Hi guys,
Do I have to use SSDT-PMC if I have a mobile HM370 chipset (i7 8750H CPU)? I am kind of confused because the laptop table in the Getting started with ACPI guide from Dortania mentions I do NOT have to use it, but the SSDT's page in the same guide suggests it is needed for my motherboard's desktop counterpart.
Also, if I do, do I also have to enable emulated NVRAM as https://dortania.github.io/OpenCore-Post-Install/misc/nvram.html#verifying-if-you-have-working-nvram suggests? I assume not since SSDT-PMC enables native NVRAM as far as I read here.
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