For users with modern Intel laptops (Skylake, Kaby Lake, Coffee Lake) who find their HDMI 2.0 port resulting in a black screen or boot loops, you might be dealing with an (Level Shifter Protocol Converter) chip. Intel iGPUs technically do not output native HDMI 2.0; they output DisplayPort. Manufacturers add an LSPCON chip to convert this to HDMI 2.0.
PciRoot(0x0)/Pci(0x2,0x0) AAPL,ig-platform-id BwCbPg== framebuffer-patch-enable AQAAAA== framebuffer-con1-enable AQAAAA== framebuffer-con1-type AAgAAA== Use code with caution.
In ProperTree, under your graphics PciRoot, add connector-specific patches: (Data): 01000000
(Optional): Useful for visual reference, though ProperTree is safer for direct edits. hackintosh hdmi fix
HDMI audio requires correct framebuffer configuration + AppleALC.
HDMI fix does not work · Issue #6 · tylernguyen/x1c6-hackintosh
If your monitor loses signal right when the macOS desktop should appear, your framebuffer is likely using the wrong connector pipe. Add the boot argument igfxagenda=1 or agdpmod=vit9696 to your boot-args to disable certain graphics device policy checks. Purple Tint on Screen For users with modern Intel laptops (Skylake, Kaby
Most HDMI issues stem from the system not knowing which physical port on your motherboard or GPU corresponds to the software "pipe."
If your video works but you have no sound via HDMI, it is usually an AppleALC issue.
macOS limits non-Apple GPUs to 3 displays before glitches occur. If you are running 2x DP + 1x HDMI and seeing artifacts: HDMI fix does not work · Issue #6
Fix HDMI port (and possibly others) not working on Intel UHD 620
This disables the AppleGraphicsDevicePolicy (AGDP) for your board-id, which is usually incompatible with third-party AMD cards.
Note its and its current Type . If it says DP (DisplayPort) but you are plugged into an HDMI port, this is the root of your issue. Step 3: Generate the Connector Patch In Hackintool, click on the Patch tab -> General sub-tab. Check the boxes for Devices and Connectors .