Leaderboard

That's correct. It's usb based, not I2C like the touchpad.

You are right via USB the touch works, I had not noticed it, so you can let the test of my previous post do it ....... If you want to understand how to create a unique SSDT from many SSDTs I am available Obviously I am self taught at the ACPI level, so I am NOT a GURU, but a simple user who has understood how to work in Hack at the ACPI level

Unless DVMT is set already in BIOS, you'll need to add these 2 patches for graphics framebuffer-stolenmem framebuffer-fbmem

SSDT GPI0 is NOT needed anymore with the latest I2C kext, features have been improved, but in this case it is essential to use SSDT-XOSI or a FIX SSDT-I2C0 TPD0 with specific Darwin according to ACPI Origin example as in the attached photo. This would be the TOP with Opencore bootloader in this case we avoid rename in config that Opencore DOESN'T like As for the brightness keys, let the new BrightnessKeys do its job , good hackintosh Try to replace this SSDT restart, and post ioreg, let's see if the touchscreen activates SSDT-Dell Inspiron 5378.aml.zip

Try this EFI, it should activate I2C, keyboard brightness control. modified SSDT to be able to boot even in dual boot with Windows. If you get to the new desk ioreg EFI.zip