ASUS GL502VT (Skylake) - No graphics acceleration on macOS Sequoia and Sonoma

Hello everyone, I'm trying to install macOS Sequoia on my old ASUS GL502VT laptop, but 1'm stuck with a graphics issue and I'm hoping someone here might be able to help. My hardware specs are:

-Laptop Model: ASUS GL502VT -CPU: Intel Core i7-6700HQ (Skylake) iGPU: Intel HD Graphics 530 -dGPU: NVIDIA GTX 970M

The issue is that I can get the system to boot and reach the desktop, but i have no graphics acceleration. The system reports only 7MB of VRAM, and the Ul is very slow and laggy.

Here's what I've tried so far using OpenCore:

-I have successfully disabled the dedicated NVIDIA GTX 970M using SSDT-Disable_GPU_PEGO.aml.

-I'm using MacBookPro15,2 as my SMBIOS.

  • I've tried to spoof my Skylake iGPU to a Kaby Lake HD 630 by setting the AAPL, ig-platform-id to<00001659> and the device-idto<16590000> in my config.plist.

-I've added the igfxonln=1 and -wegnoegpu boot-args. -I have also made sure my fr amebuffer properties are set, including framebuffer-stolenmem and framebuf fer-fbmem.

What's really confusing is that macOS Monterey works perfectly on this same machine with full graphics acceleration. This leads me to believe the issue is related to the lack of native Skylake support in newer macoS versions, and my spoofing method is likely missing something.

submitted by /u/VulcasX
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