NBABASKETBALL Posted April 8, 2021 Share Posted April 8, 2021 Yeah, so I am running macOS Big Sur on an Optiplex 7020 sff (i5-4690T) using the onboard graphics (HD4600). I followed the Dortania post install guide for iGPU patchingbut when I boot for the first 15-25 seconds the mouse and keyboard are extremely laggy. After that time period everything is normal. I am using a DP to HDMI cable and I have no dGPU installed. Any help is appreciated. (using OpenCore 0.6.8) I uploaded my EFI and a screenshot from system report (in case something isn't showing up correctly and I missed it) If an IOREG or a different file would help identifying this issue I will be happy to upload it. EFI.zip Quote Link to comment Share on other sites More sharing options...
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