why my galaxy s5 sm-g906k backlight is not working after rooting a wrong CF Auto root file

[AC Question]

my galaxy s5 sm-g906k backlight is not working after rooting a wrong CF Auto root file. I tried insatllaing new roms several times, but the back light is not turning on. Im using it by conneting to the TV. please help me..

 

[Golfdriver97]

Welcome to the forums. What ROMs have you tried flashing? Were any successful?