kext VS ExternalDisplayBrightness

do you have both USBToolBox.kext and UTBMap.kext? you need both USBToolBox.kext and UTBMap.kext for USBToolBox to function. https://github.com/USBToolBox/tool https://github.com/USBToolBox/kext

https://github.com/USBToolBox/toolhttps://github.com/USBToolBox/kext

Output from usb mapping is UTBMap.kext. Then you add USBToolbox.kext

If you have access to windows, this is a good usb mapping script. https://github.com/USBToolBox/kext. Heaps of guides around.

USBtoolbox, UTBmap

Do the usb mapping with USBToolboxadd Toolbox.kext too

Next, head here (https://github.com/USBToolBox/kext/releases)

Before you install OSX on the target machine, install Windows 10 or Windows 11 first. Make sure that ALL of your drivers for Windows 10 or 11 are installed (especially your chipset drivers). Use the Windows version of USBToolBox, and map your ports per their instructions (basic instructions are on the same page with the utility). Grab that here: https://github.com/USBToolBox/tool. Run the Windows.exe version (your antivirus software will go nuts trying to run this on your machine, either allow it, or rename the executable after unpacking it). Copy the created kext (called UTBMap.kext) file this program creates onto a separate flash drive to use after MacOSX is installed. Next, head here (https://github.com/USBToolBox/kext/releases), and grab the two kexts (USBToolBox.kext and UTBDefault.kext) within the zip file. Unpack, and put them in your EFI/OC/Kexts folder on your bootable USB drive. Use ProperTree to open the config.plist on your bootable drive, do an OC Clean Snapshot (this updates the config.plist with the new kexts you added), and SAVE.

I remembered that ExternalDisplayBrighteness (https://www.nesveda.com/projects/ExternalDisplayBrightness/) is installed.

I use this app but it just does function keys.

I use a tool called (funny enough) ExternalDisplayBrightness

Here’s a link from Apple on how to clean it, basically just use water and a lens towel, and if using iso alco, use 70% wipes/ solutions

You’ll have to use a third party app to do this. I use this

This is with every keyboard for external monitors. What I recommend is using an app like https://github.com/fnesveda/ExternalDisplayBrightness and then using karabiner to rebind the brightness keys to whatever function key you put for the external display brightness changer.