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Apple Computing Products:
macOS - Notebook Hardware
Screen Issus...Rainbow of Death
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<blockquote data-quote="unknown1" data-source="post: 879175" data-attributes="member: 49721"><p>Sorry to resurrect this thread but this is the thread I have been looking for for months!</p><p></p><p>This 'Rainbow Screen' without the 'Death' is a different problem than the much more common 'Fan of Death' many have been describing online over the last few years. The computer still operates fine but the screen is a 'pretty rainbow of colors' that just makes you want to go and listen to some late '60s music before you blow your brains out!</p><p></p><p>I was looking for a 'fan of death' 1.33 GHz machine on ebay (they are everywhere for under $150) to repair to use instead of my trusty old 400MHz Pismo. When it arrived it was a 1.2 GHz with the 'Rainbow Screen'.</p><p></p><p>No amount of shimming seems to do anything either on the Voltage Regulator or the Video chip. I don't have a mini-VGA adapter to connect an external monitor but I suspect it would work fine if the above comments are correct. So the problem has to be either in the connections of the video chip to the internal display circuitry or possibly (though not likely) the video cable to the LCD. This doesn't look like an easy fix, maybe I should try that company that does the $50 re-flow, I don't know if it would help a BGA Video Chip though.</p></blockquote><p></p>
[QUOTE="unknown1, post: 879175, member: 49721"] Sorry to resurrect this thread but this is the thread I have been looking for for months! This 'Rainbow Screen' without the 'Death' is a different problem than the much more common 'Fan of Death' many have been describing online over the last few years. The computer still operates fine but the screen is a 'pretty rainbow of colors' that just makes you want to go and listen to some late '60s music before you blow your brains out! I was looking for a 'fan of death' 1.33 GHz machine on ebay (they are everywhere for under $150) to repair to use instead of my trusty old 400MHz Pismo. When it arrived it was a 1.2 GHz with the 'Rainbow Screen'. No amount of shimming seems to do anything either on the Voltage Regulator or the Video chip. I don't have a mini-VGA adapter to connect an external monitor but I suspect it would work fine if the above comments are correct. So the problem has to be either in the connections of the video chip to the internal display circuitry or possibly (though not likely) the video cable to the LCD. This doesn't look like an easy fix, maybe I should try that company that does the $50 re-flow, I don't know if it would help a BGA Video Chip though. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Screen Issus...Rainbow of Death
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