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Dell Latitude 5580 DW1820a no WiFi or Bluetooth

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As the guide clearly states, use IORegistryExplorer app to browse your system's IOReg. Look for your card's PCI id, i.e. 14e4:43a3. It'll be shown in one of the devices listed under PCI0 root bridge. Once you find it, you'll find the rest. The guide includes a screenshot of IORegistryExplorer showing a DW1820A card, so you cannot go wrong...

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Look at the data displayed to the right for the various devices listed under PCI0. There are well-known names like HDEF (for audio), EHCx/EH0x (for USB hubs), SATxx (for SATA), PS2K (for keyboard), PS2M (for mouse/Touchpad), etc. Add-on cards connected to expansions slots are usually found attached to devices such as RP0x or something along those lines.

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@Hervé

I identified the device and applied the patching via Clover Configurator. 

I applied the patch but to my dismay upon restarting I’m encountering the error. In verbose the last two lines are:

sscn not implemented in ACPI tables

fmcn not implemented in ACPI tables

And the booting is stuck there. 

I am able to boot again my restoring the EFI partition. Kindly let me know what should I do. 

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I can only guess you did not inject the BCM4350 properties properly; given that you have the 1028:0023 model, I'd avise you to get a DW1560 and forget about the DW1820A.

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The DW1560 is fully supported under macOS; not OOB but fully supported nevertheless. You can look it up on the forum.

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@Hervé So I will ponder on DW1560. Meanwhile I had reapplied the patches and the system booted. But there is still no WiFi. I know this card causes instability but in my case it isn’t detected till now. What should be done?

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