I have just replaced the screen. Everything works OK now except the backlight.
I have completed a hard reset which did not resolve the problem.
I have also reseated and cleaned the screen contacts which did not resolve the problem.
Which contact strip is the one that controls the backlight?
Questa è una buona domanda?
It could be diode problem. you just blow it.
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to rule out the backlight use the original screen to see if it still lights.
the backlight circuit is not in a strip and would require microsoldering repair.
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Did the backlight on your old display work before? why did you change the display? Try the old display again and see if the backlight works. Did you check the logic board to see if your backlight filters are okay?
da oldturkey03