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27" display with 2560 x 1440 pixels resolution Thunderbolt & MagSafe cable attachments

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2 inch black stripe down thunderbolt display

I have a black strip of dead? pixels going vertically down my thunderbolt. from time to time it is a stripe w colors but most of the time black. I’ve tried replacing the cable but no luck. Any suggestion of what might be causing this? Is the LCD shot?

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Ouch! Your LCD panel is damaged! Did you bang the panel or drop the display?

Here’s the needed part: 27" Cinema Display LCD Panel (Thunderbolt), Apple P/N 661-6028, LG panel # LM270WQ1 (SD)(B3) and here’s the guide Apple Thunderbolt Display LCD Replacement

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I didn’t bang it. It was working fine and over time the strip became worse, eventually to black. At first a strip of faint green tint, then became intense over time, eventually just a color strip as you see in the image. Now it’s just black strip. Can you use a iMac LCD as a replacement LCD? The part no. Seems to be the same.


Not sure were you got the idea the Apple P/N was the same? The LG panel could be gotten independently but then you have to undo every thing and then transfer the bracket and other parts over.

This screen is no longer being made as such you need to be careful where you buy a replacement.

Make sure you buy from a real brick and mortar, there are a lot of jobbers who buy factory rejects and try selling them. Often I find these guys are here today and gone the next! So getting your money back or another unit is just not possible.


@danj Thanks Dan for the tips.


@alvinfromhawaii - If you're set don't forget to score and accept the answer - Thanks!


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Alvin Wong будет вечно благодарен.
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