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Modelli A1419 / Fine 2012 / Processori 2.9 & 3.2 GHz Core i5 o 3.4 GHz Core i7, ID iMac13,2

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I line on screen

I have just purchased an iMac 27 inch late 2012 but what I can't work out if it's the graphics GPU or the screen everything works perfectly but has one single thin line to the left. I have fixed so many of the old graphics cards on the magnetic removable front Imacs I've lost count.

I know the GPU is soldered on this particular brand.

But how do you work out if it's the screen or the graphics card image attached?

Thanks.

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Sadly, this looks like a LCD panel defect. we call it a TABS error.

Think of it this way you have pad of graph paper which you tear-off a sheet and you want to tape the it back but you want the lines to line up between the sheets. Not easy! Your display is the same a flexible ribbon cable is glued to the edge of the panel to carry the signals to the panel in both rows and columns, just like a spreadsheet!

What happens is one of these lines has lifted up or was not aligned correctly from the start. Another cause is damaging the display in the process of taking it off because they used the wrong tools and technique.

You’ll need a new display assembly to correct it

Here’s the needed part 27” iMac Display Panel & Front Glass Assembly, Apple 661-7169 (Used Grade-B) The displays are getting hard to find! Here’s the guide Sostituzione schermo iMac Intel 27" EMC 2546. Make sure you get this kit [prodotto collegato mancante o disabilitato: IF174-005-1] which has the needed cutter and you should get two sets of Plastic Cards to help hold the areas you’ve cut away.

Immagine Plastic Cards

Prodotto

Plastic Cards

$2.99

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richard sarà eternamente grato.
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