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We support the vanilla build using the well known createinstallmedia command Here's a few found here in our forum https://osxlatitude.com/forums/topic/10264-how-do-i-create-a-vanilla-macos-installer/ https://osxlatitude.com/forums/topic/8506-dell-latitude-inspiron-precision-vostro-xps-clover-guide/?do=findComment&comment=94956 https://osxlatitude.com/forums/topic/6472-dell-latitude-e7240e7440/?do=findComment&comment=86943

E74040? Do you mean E7440? Sounds like your installation got corrupted

My guides include clear instructions with regards to Clover: version + installation settings. If you choose to copy an existing EFI folder from a different computer and build, I cannot vouch you'll be in the verified working conditions and, therefore, cannot really assist more. I'm sure you'll understand that I'm not prepared or willing to troubleshoot an installation that was not done by following the detailed instructions I posted. If you run the same version of BIOS (at time of writing, latest remains 1.11.0 afaik), the DSDT is the same; it does not differ according to CPU model. If it did, Dell would provide different BIOS for different laptop models! As such, there's nothing to do on the matter; it's just that some people cannot boot with my patched DSDT for reasons I cannot comprehend. This being said, the patched DSDT serves 1 purpose only: activate brightness control through Fn-F11/Fn-F12. Jake Lo posted SSDT alternatives, so you can use that instead rather than my patched DSDT. All you really need for Catalina compared to Mojave is: add the ECDV to EC renaming in your Clover config; rest of the config is identical update Lilu kext and Plugins to latest versions

Best is probably to use a DW1560 if you want wireless working.

should be ok

Yes, there are few extra Renames under ACPI section. Compare the files

Yes, should work for HS as well.

Karabiner-Elements...not Karabiner. I'm using it now on my E7470 typing this very message. I've been using it since Sierra, since Karabiner only supports up to El Capitan.

You can also use Karabiner-Elements app to set the Fn keys. See here for example https://osxlatitude.com/forums/topic/9179-dell-latitude-e7x70-clover-uefi-only/?do=findComment&comment=64816

No issue with audio after wake. No CodecCommander require Try latest bootpack https://osxlatitude.com/forums/topic/9179-dell-latitude-e7x70-clover-uefi-only/?do=findComment&comment=95548

Fn+B will work. For F11 and F12 to work, you need to install VoodooPS2Controller.kext but it's not very functional for this model

@kup1 No kext is needed, just follow instructions here to inject the device https://osxlatitude.com/forums/topic/7346-applesdxc-driverdsdt-patch-for-o2-micro-sd-card-readers/?do=findComment&comment=87652