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dtravis7

 
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Member Since: Jan 04, 2005
Location: Modesto, Ca.
Posts: 27,560
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Mac Specs: iMac 2.4 C2D 10.9.4, iMac 2.16 C2d 10.6.8, Macbook2007 10.8.4, Mac Mini 10.8.4, iPhone 3GS Note 8!!

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You have a 17" iMac G5 ISight with 1.9Ghz Power PC G5. Video issues on those last iMacs with the isights were not normal at least in my experience. I own the 2.1Ghz 20" version of your machine. Video is fine.

That screen shot sure looks like the GPU is going. The GPU is part of the logic board and cant' be removed.

Since the fan for the Video area of the board died it could have fried the GPU.
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