kcmok Posted May 30, 2021 Share Posted May 30, 2021 Tried to install Big Sur with opencore 0.69 on GA-H77N-Wifi. installation proceeded almost to the end but stuck before the setup screen appears and voiceover took over. Can hear the voiceover instructions but no screen shown, can turn off voiceover with keystrokes. EFI attached. MB: Gigabytes ga-H77N-Wifi CPU: i5-3570 Ram: 2x4GB EFI.zip Link to comment Share on other sites More sharing options...
Administrators Hervé Posted May 30, 2021 Administrators Share Posted May 30, 2021 Unsupported graphics. Key pre-requisite: know you hardware. https://dortania.github.io/OpenCore-Install-Guide/prerequisites.html#prerequisites https://ark.intel.com/content/www/us/en/ark/products/65702/intel-core-i5-3570-processor-6m-cache-up-to-3-80-ghz.html https://osxlatitude.com/forums/topic/8238-supportedunsupported-gpus-graphics-cards You'll have to replace your CPU or add a supported graphics card. https://dortania.github.io/GPU-Buyers-Guide/ Link to comment Share on other sites More sharing options...
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