The brightness of my laptop on 10.13 is very very low.

The laptop is the

Samsung Series 7 Chronos model NP700Z5B-W01UB

CPU: Intel Core i7-2675QM

RAM: 8GB

GPU: Intel HD 3000, AMD Radeon 6470M

Install Method: Rehabman Guide

Problem: No matter what version of mac I try the brightness is very dim like there is a layer of fog. I tried custom ssdt, Intelbacklight, acpibacklight, various forms of backlight injectors and applebacklightfixup.kext.