Backlight turns off on high brightness

Question

Mine LG G2 has a very strange backlight issue. The backlight is working on low brightness levels, but turns off after 40% of brightness. Under very bright light I still can see that the image is still present on the display, so the screen is working itself. When I change brightness level back under 40%, the backlight turns on again.



What could be faulty? Screen or motherboard?


— Igor Bljahhin | Sources

Answer

It turned out that motherboard was faulty. I've replaced the motherboard and the issue has gone.


— Igor Bljahhin | Sources

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