Ahmed ibrahim Posted July 1, 2021 Share Posted July 1, 2021 I can't find the appropriate file FEI for my laptop Link to comment Share on other sites More sharing options...
Administrators Hervé Posted July 1, 2021 Administrators Share Posted July 1, 2021 You should find several threads or guides related to installing Big Sur on the Latitude E6x30 models. I myself posted a guide for the E6230 that you can consult for inspiration. There are a few things to note about the E6x30 models fitted with Fermi NVS 5200M: don't re-use the patched DSDT meant for a different model (certainly not one for the E6230/E6330) enable Optimus in BIOS so that you can run Big Sur with HD4000 graphics since it's no longer supported, the nVidia dGPU must be disabled through patched SSDT to prevent it from draining your battery unnecessarily if your LCD is low res (under 1600x900), inject Capri framebuffer 0x01660003 but if it is high res (1600x900 and above), use Capri framebuffer 0x01660004 if you opt for Clover as bootloader, I recommend version r5133 or later Link to comment Share on other sites More sharing options...
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