![]() If you can see a faint picture the MacBook is on and working but has lost its backlight power. You can diagnose this fault yourself by shining a torch up to the screen. This results in every other LED in the backlight being off for example.Įventually the 25-40v Backlight Power is fractured resulting in the backlight cutting out when the screen is opened above a certain angle. Symptoms include a stage light effect at first which is caused by the return signals from the LED groups being disconnected in the cable. The cable was designed too short and when the screen is fully opened the cable is stressed and pulled at a very tight angle causing it to eventually split. If you own a 2016 - 2017 MacBook Pro A1706, A1708 or A1707 which is suffering from a black screen fault it is caused by the LED Backlight cable failing. ![]() Permanent FlexGate Repair for 20 MacBook Pros
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