my screen has got diagonal pixellated patterns

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iMac Intel 17"

1.83 GHz Core Duo or 1.83, 2, or 2.16 GHz Core 2 Duo A1208 (EMC 2104/2110/2114/2124)

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Roger @roger29274

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Postado: 8 de dez de 2009

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my screen has got diagonal pixellated patterns

The screen on my iMac has stopped working and I do not get an Apple logo unless I start it up in safe mode. If I do it has diagonal pixellated patterns which make it impossible to see anything. In normal start up mode there is just a strange pattern and the pointer becomes some lines of text.

I am told that it must be the logic board. Is it possible to get a replacement? Does anyone know where?

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I have a problem with my Mac Screen. There appears some lines on the screen. What can i do ?

is it reparable? or should i change it?

14 de mar de 2012 por Carol

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I have a problem with my Mac Screen. There appears some lines on the screen. What can i do ?

is it reparable? or should i change it? — Carol

QEII Student IT @qeiistudentit Rep: 4,8 mil 28 30 5 · Answer 1 · 2009-12-08T12:06:10-07:00

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QEII Student IT @qeiistudentit

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While I agree with matthewfrey, he doesn't actually answer the question:

Buy a new logic board

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matthewfrey @matthewfrey Rep: 2,3 mil Frey Technology 16 4 1 · Answer 2 · 2009-12-08T11:45:57-07:00

matthewfrey @matthewfrey

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I would agree, I have seen many fail in the same way, poor quality graphics chips that are part of the logic board. for the cost of a new logic board, you are half way to a New iMac, and given the age of the machine, it may be time.

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