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RavingMac

 
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Member Since: Jan 07, 2008
Location: In Denial
Posts: 7,574
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Mac Specs: 4GB Mac Mini 2012, 13" MBA, 15" MacBook Pro OSX 10.7, 32 GB iPhone 3GS, iPad2 64gb 3G

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Looks to me like the Graphics Processor is going south. Not familiar with 17in iMacs, will do some checking.

EDIT: The only 1.9 GHz CPU I can find in a 17in iMac, was in the G5 version, which wasn't an Intel processor. The G5s were prone to overheating issues, which was one of the main reasons for the switch to Intel.

EDIT2: Unless the problem is uber-simple and cheap, I wouldn't bother trying to fix an iMac of this vintage. If you keep your eyes open you can probably pickup a fairly recent vintage iMac for not much more than the cost to repair (and depending on what you have to replace) possibly much cheaper than the repair.

I've always wanted to be smart, handsome and modest. But, I guess I'll have to be satisfied with two out of three . . .
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