Making specific hardware work with macOS requires understanding which components are supported and what patches may be needed.
Step 1 — Reset NVRAM and SMC
Use the OpenCore picker to reset NVRAM (hold Space at the picker).
Step 2 — Check Physical Connections
Verify that all internal cables are properly seated. Reseat RAM and storage if the system is unstable.
Step 3 — Verify Kext Coverage
Each hardware component needs a specific kext. For trackpads use VoodooI2C, for brightness use WhateverGreen.
Step 4 — Test Sleep and Wake
Disable Wake on LAN in BIOS and test sleep/wake reliability.
Expected Results
- Sleep and wake work reliably
- All peripherals are recognised by macOS
- System temperatures are reported correctly
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Original Question: "How to enable sleep by Lid close on laptop, especially Lenovo?"
As the title mention above, how to enable sleep by lid close? Does it need to change some lines on DSDT or any SSDt to be added?
currently I'm running macOS Big Sur. Here's my specs:
Lenovo S340- 14IWL
i5-8265U
8GB RAM
Intel UHD 620
Opencore 0.6.3
macOS Big Sur 11.0.1 (20B29)
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