@clarkdang12
Install Autohotkey and use this code and run the script.
Scroll the mouse wheel up/down at the very top of your screen only to adjust brightness.
If you don't know how to use Autohotkey then msg me and I'll send you the .exe file
#NoEnv
SetWorkingDir %A_ScriptDir%
CoordMode, Mouse, Screen
#SingleInstance, Force
#If MouseIsOvertop()
$~WheelDown::
send, !{PGDN}
return
$~WheelUp::
send, !{PGUP}
return
#If
MouseIsOvertop()
{ MouseGetPos,,y
Return y < A_ScreenHeight - 1070
}