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[Success] Dell Inspiron 14 3421: Catalina


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My Dell Inspiron 14 3421 specs:

  • BIOS: A13
  • Chipset: Intel HM76
  • RAM: 4GB DDR3
  • CPU: Dual-Core Intel Core i5-3337U (Ivy Bridge) @1.8GHz
  • GPU: Intel HD 4000
  • Display: 14" LCD, 1366 x 768, LVDS
  • Audio: Realtek ALC282
  • TouchPad: Synaptics
  • Wifi+BT: Dell Wireless 1704
  • Ethernet: Realtek PCIe FE Family Controller


Bootloader: OpenCore 0.6.0


## What work?
* USB 3.0
* Audio (layout id=3)
* Ethernet
* Keyboard and Synaptics mouse (Brightness Hotkey, used to be breakless and the fix is updated to the troubleshooting page)
* DVMT Pre-Allocated 32MB (WEG manual)
* Webcam
* NVRAM (emulated)


## What don't work?  
* Dell Wireless 1704 (need replace)
* iService (need to call Apple)
* SD card  


My EFI is here on Github: EFI

Thanks for reading my article.



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