Glad you got it back.
Yes none of that stuff (trackpad, sound, wifi, keyboard backlight, screen brightness control, sleep, HDMI video out, etc..) will work without further research & patching. A laptop build is much more complex and difficult compared to say a desktop build.
These links are must reads:
https://www.tonymacx86.com/threads/guide-booting-the-os-x-installer-on-laptops-with-clover.148093
https://www.tonymacx86.com/threads/guide-patching-laptop-dsdt-ssdts.152573/
For my recent ASUS UX430 build it took me 3.5 weeks to finally get to a workable stage, and only because I read similar threads with laptops or issues as I was having. rehabman and others were a great help, but getting it to work is something you can only do yourself.
Here is my thread outlining my progress over the 3 weeks to get my laptop working,
https://www.tonymacx86.com/threads/...kaby-lake-r-alc294.243618/page-3#post-1697316
Since you were originally trying to do a desktop build, and now you know more about the partitions and stuff you might want to just go back to your desktop build and leave a laptop build for perhaps your second one. If you are lucky though, someone might have written a good guide for your laptop on these forums. Try to search for it and see.
Good luck with whatever you decide, hackingtosh is fun, interesting, and best of all cheaper than buying a Mac