so I got a g16 i9 13980hx , 4070 when the laptop is on battery the brightness is higher and controllable , the moment I plug in the charger my brightness just drops and it's no longer adjustable in the windows setting 

I got a problem with my g16 2023 it randomly does fps drops benchmarks and everything is fine my setup is i9 13980hx with 4070 here is the log that I got from gpu z  one of the frame drops example is on 23:03:51 help please my laptop is brand new and...