A TLDR of my issue

Opencore fully configured, all kext 'n stuff needed on its place, but stumped on iGPU config

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Okay, so, I'm not new to the hackintosh scene, and I have set up a couple of hackintosh myself, so I'm not so noob to not know that I'm doing

Now, I'm trying with OC, due its vastly superiority over Clover, got all my files and did patching here and there, normal stuff, however, when reached the iGPU part, the guide sent me to RehabMan's page, which is quite detailed, but ended confusing me on what to do, and I'm quite sure I did a wrong step there, however, even thought i'm still trying to figue out what to do, is baffling me

I tried using the USB as I configured it, and everything went smoothly untill the system switched to GUI, the image was distorted and garbled, so unable to use

Okay, now system specs:

HP Folio 9470m

CPU: Ivy Bridge i5 3337U

CPUID: rev 0x00306A9h

Video: Intel HD Graphics 4000 // \_SB.PCI0.GFX0 // VEN_8086&DEV_0166 // 1DVLS (laptop screen), 1VGA, 1DP outputs

Chipset: Intel Panther Point QM77 //

Trackpad: \_SB.PCI0.SBUS (smbus driver) // \_SB.PCI0.LPCB.PS2M (smbus touchpad)

LAN: Intel(R) 82579LM Gigabit Network Connection // \_SB.PCI0.LANC // VEN_8086&DEV_1502

WiFi: Intel(R) Centrino(R) Advanced-N 6235 // \_SB.PCI0.RP04.WNIC // VEN_8086&DEV_088E

Audio: IDT 92HD91BXX @ Intel Panther Point PCH - High Definition Audio Controller [C1] PCI // VEN_111D&DEV_76E0

Storage: INDMEM SSD mSATA 256GB // \_SB.PCI0.SATA.PRT1 //

The WiFi will be replaced with an Atheros compatible one

here is the copy of my config.plist

sanitycheck says that I need to 8byte the battery, which right now I'm researching on, but the graphics is more important