Dell Inspiron 15 3558 Opencore Catalina, Triple Boot (Win10, Ubuntu, OSX)

Dell Inspiron 15 3558 Opencore Catalina, Triple Boot (Win10, Ubuntu, OSX)

https://preview.redd.it/cr1u94y1pbe51.png?width=1366&format=png&auto=webp&s=85206c99006487c45248b4438feb29ba74f2eed8

Specs:

CPU: i5 5200U

GPU: nVIDIA 920M (disabled), Intel HD 5500

RAM: 12GB (4+8)

WiFi/Bluetooth: Intel AC 3160 (itlwm/HeliPort)

Storage: 1 TB HDD

Laptop model make: Dell Inspiron 15 3558

Motherboard: Dell Inc. 0G1TDD

Bios version: A19

Audio Codec: ALC3234/ALC255

System(not OSX) Boot Manager: grub2

Works:

Pretty much everything that I wanted, don't really care about SD card reader.

Issues:

Brightness keys of keyboard don't work (DSDT patching didn't work, but please do recommend if any guide/ resource worked for you, including DSDT)

Missing System Fan RPM and CPU clock speeds in HWMonitor/HWMonitorSMC2 (they worked in my Clover High Sierra build)

Side notes:

For a working storage ecosystem, using one big partition~500GB as NTFS (using ntfs-3g/OSXFUSE)

Guides used: Primarily Dortania, occasional support from Opencore configuration PDF, and few here and theres

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