ScathDeSolas Make a bootable usb and instal clover bootloader on it and replace witm my bootable usb EFI files.
Use this guide to create bootable usb drive and use files from this tred
STEP 1: Download macOS Mojave
The full operating system is a free download for anyone who has a Mac.
1. Purchase a 16GB or larger USB drive
2. Open Mac App Store
3. Log in with your Apple ID
4. Download macOS Mojave
The Application Install macOS Mojave will appear in /Applications.
You need to go inside bios and overclock to Profile 1 (advanced frequency settings).
I used just auto settings, I mean just the settings from the manufacturer what it's already set for you, just go ahead and select the CPU frequency you need.
I think its maximum set from manufacturer to 4,2 or...
Man try to make high Sierra installation stick and install clover, after you install clover on usb drive ,
mount EFI from stick and replace entire EFI with mine. just replace entire refi folder with mine for installation.
After u installed High Sierra and boot for the first time on high Sierra...