Uhd 770 Hackintosh Hot |work| -

A warm UHD 770 (45-50°C idle) is normal. A hot UHD 770 (60°C+ idle or 95°C+ under load) is a problem.

Summary

For those determined to build a Hackintosh with a modern Intel CPU, the current reality is simple: a compatible AMD GPU is an absolute necessity. The dream of a pure, all-Intel Hackintosh featuring a UHD 770 is, for all practical purposes, a hot pursuit that leads to a cold, hard wall. uhd 770 hackintosh hot

Disable "ASUS MultiCore Enhancement." This "feature" locks all cores to max turbo voltage, frying your iGPU idle temps.

If NVRAM is not working, your Hackintosh cannot store the GPU patching information, leading to high heat upon reboot. Ensure OcApplePanicImage.kext and OcNvram.kext are not needed, and you are using a standard OpenCore configuration that supports native NVRAM. 5. Final Resort: BIOS Settings A warm UHD 770 (45-50°C idle) is normal

sudo powermetrics --samplers smc | grep -i igpu

If you have a dedicated AMD GPU, you can disable the UHD 770 entirely in BIOS to stop the heat generation. Summary Checklist Target Action config.plist Spoof UHD 770 as UHD 630 Enables basic power management WhateverGreen Update to latest + igfxmetal=1 Proper driver patching ACPI Install SSDT-PLUG-ALT Correct CPU/GPU power state BIOS Set iGPU DVMT to 64MB Prevents kernel panic/heat The dream of a pure, all-Intel Hackintosh featuring

Marco dove into the ACPI source. He disassembled his DSDT, found the PCI root for the iGPU, and manually rewrote the device properties. He added enable-hdmi20 and dpcd-max-link-rate . He compiled a custom WhateverGreen with debug flags. The system booted—and for a glorious five minutes, the About This Mac screen showed “Intel UHD Graphics 770 1536 MB.”