tazorro Posted April 3, 2022 Author Share Posted April 3, 2022 Hi, I was able to get graphics acceleration working on uhd 620 31mb of my kab lake R in Catalina. I updated the Big Sur system from scratch and the problem returned. Hope your new help. config.zip 1 Link to comment Share on other sites More sharing options...
Administrators Hervé Posted April 3, 2022 Administrators Share Posted April 3, 2022 Given that XPS 9370 is a laptop you had fully working under Catalina, how did you end up with: SMBIOS of Kaby Lake iMac18,3 desktop Mac? a totally unsuitable and useless headless (meaning no output video port) KBL framebuffer layout 0x59120003? ID: 59120003, STOLEN: 0 bytes, FBMEM: 0 bytes, VRAM: 1536 MB, Flags: 0x00001000 TOTAL STOLEN: 1 MB, TOTAL CURSOR: 0 bytes, MAX STOLEN: 1 MB, MAX OVERALL: 1 MB Model name: Intel HD Graphics KBL Camellia: CamelliaDisabled (0), Freq: 1388 Hz, FreqMax: 1388 Hz Mobile: 1, PipeCount: 0, PortCount: 0, FBMemoryCount: 0 You need to go back to those settings you had in your previous build and that you posted at the bottom of the previous page. Please note that seeing UHD 620 reported with 31MB VRAM means you have no graphics acceleration. When graphics acceleration is in place, UHD620 graphics gets reported with 1526MB VRAM. Why you've ended up with a totally different setup is a mystery only you can explain. All you really had to do was upgrade your Catalina build and retain the same graphics settings. You know what to do now... Link to comment Share on other sites More sharing options...
tazorro Posted April 3, 2022 Author Share Posted April 3, 2022 Sorry Hervé, in the previous post I just confused the config. This is the correct one. config9370.zip Link to comment Share on other sites More sharing options...
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