osx151212 Posted October 31, 2022 Share Posted October 31, 2022 (edited) Hello, Big Sur successfully installed on a computer of following configuration, everything function properly (video, audio, network, sleep, reboot, shutdown) Configuration: MB: GA-Z97X-SLI CPU: i5-4460 (Haswell) RAM: 16GB HDD: Seagate 500GB NIC: Intel® GbE LAN chip Video: IGPU HD 4600 Audio: Realtek® ALC1150 codec SMBIOS: iMac16,1 (for Ventura as dual boot) OpenCore: 0.7.9 Kexts: Lilu.kext, Whatevergreen.kext, AppleALC.kext, IntelMausi.kext OpenCore config.plist is set according recomendations from OpenCore install manual for Haswell CPU The computer is connected to LG 4K TV through HDMI cable. An attempt to achieve 4K UHD image was unsuccessful (current resolution 1980p, it is highest resolution available in control panel). I did some research on Whatevergreen.kext to achieve UHD 4K and it looks like boot-args with -igfxmpc should allow 4K but it does not. My search on internet to find a solution did come short. UEFI settings are set to according Whatevergreen FAQ to Intel Processor Graphics Memory Allocation 64MDVMT Total Memory Size MAX According Whatevergreen FAQ no patching is required but anyway I did attempt some recommendations without desired result. Any assistance in troubleshooting and solving the issue is welcome and appreciated. osx151212 Edited October 31, 2022 by osx151212 Link to comment Share on other sites More sharing options...
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