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Model A1174 with 2 GHz Core Duo or Model A1207 with 2.16 or 2.33 GHz Core 2 Duo

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Replace LCD or just inverter on iMac 20"?

My iMac 20" (Core 2 duo A1207, 2.16 GHz) LCD screen suddenly became grey developed vertical and horizontal lines (see image). There is also what looks like a crack on the top left corner where there is a white patch.

The computer works fine otherwise on a secondary monitor (I am actually using it now)

The question is whether I need to replace the entire LCD or just the inverter?

How long do these screen last? I have had the computer for 6+ years.

Does nt look like it will be worth replacing it with a new one considering how much they cost. any ideas on where I can get a used replacement (I live in Sweden)


Thanks. The screen is not dim a such, most of it is actually white with horizontal grey bands and the vertical green/red/black lines on the left that start from what looks like a crack mark on the top left as you can see on the attached image.

Answered! View the answer I have this problem too

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Apple iMac "Core 2 Duo" 2.16 20-Inch Specs

Identifiers: Late 2006 - MA589LL - iMac5,1 - A1207 - 2118


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If the screen has dimmed but you can still see the desktop, replace the inverter. I did not see a link to your image.

Inverter is Apple part# 661-4112

Samsung LCD 661-3895

LG LCD 661-3881

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Failed LCD panels are a known issue on the white Intel imacs. It is DEFINITELY the LCD that is bad if you have vertical lines on the screen.

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kuria will be eternally grateful.
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