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The April 2014 update of Apple's 13" MacBook Air features refreshed dual-core i5 and i7 processors, plus slightly increased battery performance.

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MacBook Air backlight flickering

I have MBA model no. A1466. (out of warranty)

From past few days it's backlight has suddenly started flickering. At first, frequency is very low but later it increases and then eventually the screen goes black.

I've tried resetting SMC and PRAM but in vain.

Any ideas ?

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Clean liquid damage from the inside.

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Please elaborate.

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Open your laptop and clean off the damage caused by the liquid spill around the LED driver and the LCD connector that is causing your backlight to flicker.

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