Dull display on MacBook Pro a1278
Got a MacBook pro a1278 I'm getting very feable /dull display on the screen
Actually it's intermittent once in a while it gives bright display , wanted to access to displsy cable tried opening from screen end damged front glass however I'll replace it once I'm.able to fix this issue
I got 3.3v on screen fuse, 12.5 on pin3-4 LED BKLIGHT CONNECTOR of screen(b133ee7 v2) I'm not able to figure out pwm enable & brightness control signal(unlike regular led screens) pins from motherboard or screen.end
Any help would be greatly appreciated
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