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Model A1224 / Mid 2007 and Early 2008 / 2, 2.4, or 2.66 GHz Core 2 Duo processor

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iMac 8.1 Screen is oversaturated also on external monitor

I got my hands on an old Imac 8.1.

The screen in standard mode is however oversaturated. I get the same result when I connect een external monitor. I was able to get it a little bit better readable screen with calibration, attached 5 pictures.

2 with the oversaturated screen

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2 with the same screens now corrected a bit.

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1 from my Imac 14.2 with the same backgrounds to show the difference.

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Are there options to tune the graphics card or should I look for a replacement of the graphics card?

The OS is Snow Leopard

Thanks and regards,


Ответ на этот вопрос У меня та же проблема

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First, go into System Preferences, then Displays, then click Color. You should have a lot of options listed. Click on the top one that says Color LCD. You should see the colors change. Hope this helps.

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Thank you for your answer. I already did that as you can see in the picture 1 & 2. The top option (and other standars) give the over saturated view. As stated I created a calibrated one, which gives a slightly better display but still over saturated view, see picture 3 & 4.


@sjakio it might be the graphics card is defective or glitchy so you might want to look into gpu replacements.


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jacobkamminga будет вечно благодарен.
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