Acer Aspire 4750G/4752 OpenCore Config

Overview:

• iGPU HD3000 Graphic (Legacy Video Patch is necessary)
• Sleeping
• USB mapping and front camera
• Bluetooth not presented, add your own patch if you had one
• Battery status not tested

Known Issues:

• 2nd Gen HD Graphic is problematic, e.g. random screen freezing

OpenCore starting point: Dortania Laptop Guide

ACPI

• Add

SSDTs	Description
SSDT-EC-LAPTOP.aml	Fixes embedded controller
SSDT-HPET	Patch out IRQ Conflicts is a MUST for Audio, which requires SSDTTime
SSDT-GPRW	Patch GPRW for fixing instant wake from sleep
SSDT-CPUPM	Power management, generated by ssdtPRGen
SSDT-PNLF	Backlight
SSDT-SBUS-MCHC	Fixing SMBus support
SSDT-dGPU-Off	Disabling dGPU
SSDT-XOSI	Makes all _OSI calls specific to Windows work for macOS (Darwin) Identifier

• Delete

Delete	Description
CpuPm	Power management for Sandy Bridge
Cpu0lst	Power management for Sandy Bridge

• Patch

Patch	Description
EHC1 -> EH01	USB rename
EHC2 -> EH02	USB rename
SAT0 -> SATA	SATA rename

Drivers

• HfsPlusLegacy: Sandy Bridge lacks of RDRAND instruction support hence a legacy variant of HfsPlus driver is required

Kexts

Kext	Description
USBPorts.kext	USB ports mapping, generated by Hackintool
VoodooPS2Controller.kext	A custom key map is added ( CapsLock -> Command; PrtSc -> F13; PauseBreak -> F14; Ins -> F15, etc.)
BCM5722D.kext	Broadcom BCM57785 Ethernet
IO80211Family.kext	Atheros AR9280 requires an old version kext from High Sierra, can be install by Hackintool -> Utilities

NVRAM -> ADD -> 7C436110-AB2A-4BBB-A880-FE41995C9F82 -> boot-args

args	Description
-no_compat_check	Required for booting macOS Mojave and higher
alcid=4	Inject AppleALC ID 4 for ALC269-vB-v2
-wegnoegpu	Disabling dGPU, optional

Directories:

├── EFI
│   └── OC
│       ├── ACPI
│       │   ├── SSDT-CPUPM.aml
│       │   ├── SSDT-GPRW.aml
│       │   ├── SSDT-HPET.aml
│       │   ├── SSDT-PNLF.aml
│       │   ├── SSDT-SBUS-MCHC.aml
│       │   ├── SSDT-XOSI.aml
│       │   ├── SSDT-EC-LAPTOP.aml
│       │   └── SSDT-dGPU-Off.aml
│       ├── Drivers
│       │   ├── HfsPlusLegacy.efi
│       │   └── OpenRuntime.efi
│       ├── Kexts
│       │   ├── AppleALC.kext
│       │   ├── Lilu.kext
│       │   ├── SMCProcessor.kext
│       │   ├── SMCSuperIO.kext
│       │   ├── USBPorts.kext
│       │   ├── VirtualSMC.kext
│       │   ├── VoodooPS2Controller.kext
│       │   └── WhateverGreen.kext
│       │   └── BCM5722D.kext
│       │   └── IO80211Family.kext
│       │   └── WhateverGreen.kext
│       ├── OpenCore.efi
│       └── config.plist