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yuijzeon

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  1. Yes, I use SD Formatter to format my SD card on Windows (FAT32 File System) Nothing happens when I insert the SD card into the computer
  2. I think I made a mistake SD card reader is recognized but not working SD Card work on Windows Camera is work great The following is the EFI file and IOReg file YUIJUHN‘s DELL E6440 2.zip
  3. @Jake LoThank you very much!!! Camera, SD Card Reader work now @HervéI will try to fix it according to your instructions Clarity EFI better than chaotic EFI Thanks for your guidance
  4. The file is too large to upload I put it in my Google Deive YUIJUHN‘s DELL E6440.zip
  5. My Laptop: Latitude E6440 CPU: Intel i7-4600M GPU: Intel Graphics HD 4600 (with 1920x1080 screen) Wi-Fi: DW1550 (BCM94352HMB) macOS Version: 11.3 (20E232) OpenCore Version: 0.6.6 Hi Guys, I used to build EFI according to Dortania's OpenCore guide It works on Catalina but doesn't work on Big Sur I tried to use Jake Lo's E7440_OC_0.6.6 and replaced SSDT-EC.aml, SSDT-HPET.aml, SSDT-PLUG.aml inside These aml files are created by SSDTTime Fortunately I completed the installation Wi-Fi, Bluetooth, Audio, USB3.0 and DVD work very good TouchPad also work great but "More Gestures" doesn't work Camera, SD Card Reader,Fingerprint recognition doesn't work The battery always notices "Service Recommended" These will not pose too much of a problem But it would be better if it can be solved Another problem Very lagging when running some app like the built-in games "Chess" I also tested "Minecraft". The situation is not that bad, but not as good as running under Windows
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