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Model A1418 / Late 2012 / 2.7 & 2.9 GHz Core i5 or 3.1 GHz Core i7 Processor

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Why is my display flickering?

My iMac display is flickering as shown in this video: https://www.youtube.com/watch?v=If4HyfaT...

It's not my YouTube video, but my computer is doing the exact same thing. External displays work fine so it is not a GPU issue, and I already tried replacing LVDS cable to no avail.

Apple wanted $400 to replace the display, but the LCD panel itself is fine - no cracks or dead pixels. Hoping it's just a small board/cable.

Thanks in advance for any advice!!

Answered! View the answer I have this problem too

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This is a moderate level difficulty repair: iMac Intel 21.5" EMC 2544 Display Replacement That can be done for half of what Apple is asking. With a new part.

http://www.ebay.com/itm/EMC-2544-emc-254...

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Evan will be eternally grateful.
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