Screen flickers and goes black except when minimum brightness is set

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苹果 LED Cinema 显示器

24英寸显示器，内置iSight 摄像头，麦克风和扬声器。 1920*1200分辨率。发布于2008年10月型号为A1267

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Jon @jon494

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发帖于: 2016年8月28日

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Screen flickers and goes black except when minimum brightness is set

I love my 24" LED Cinema Display and it has been working great until a couple of months ago. I started noticed that it didn't turn on after sleep but I finally found that it started working again if I dimmed the screen a notch. That problem sort of increased and now it's only working when it's set to the minimum brightness. If I increase the brightness it starts to flicker and then after a couple of seconds it goes black.

Everything else works as expected (USB, Camera, Charger etc).

Anyone with and idea on how I can fix this?

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Ben @applepines101 声誉积分: 314 6 2 · Answer 1 · 2016-11-19T15:42:22-07:00

Ben @applepines101

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发帖于: 2016年11月19日

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The backlight it most likely dead. Set the brightness to the maximum, then when it goes black, point a flashlight at the display and see if you can detect a picture. If so, the backlight is almost completely out the window and can only deliver a very little amount of light. A quick Google search comes back with many useful results here.

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苹果 LED Cinema 显示器

Screen flickers and goes black except when minimum brightness is set

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