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Model A1312 / Mid 2011 / 2.7 & 3.1 GHz Core i5 or 3.4 GHz Core i7 Processor, ID iMac12,2

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wrong model number for emc number

Aloha! Everyone,

My EMC number is 2429 but when I try to locate parts or guides it always refers to a model number that is different from mine. iFixit says that the model number for EMC 2429 is model A1312. However on my box is says model A2115.

is there another place that has my model number written? Or is there something I’m missing?

Thanks in advance, would really like to repair my sick iMac. I took it to Apple and they said it was a bad graphics card and unrepairable. What good is repair and parts support if they wont fix it?

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Answer this question I have this problem too

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"trades sse 20-30 mph, temp 78F, surf 2-3 sw"

Don't rub it in! ;-} Which Island on you on? I had spent some time there.


I would forget the box info as it sounds like you found a newer systems box or the system was sold to you in that box.

You indeed have a 2011 27" iMac based on the systems markings which are on the bottom side of the foot which you can verify here EveryMac - Lookup by plugging in your S/N.


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We don’t have a 2011 guide but this one will get you to the needed area iMac Intel 27" (Late 2009 or Mid 2010) Graphics Card Replacement. Your biggest propel is finding the needed part as they are now very difficult to find as you need one that has the Apple firmware.

  • Apple P/N’s:
    • 661-5967 - AMD Radeon HD 6770 (512MB)
    • 661-5968 - AMD Radeon HD 6970 (1 GB)
    • 661-5969 - AMD Radeon HD 6970 (2 GB)

Sadly, this series GPU board ability was quickly out run by more pressing graphical software! Just like a horse which will run until it dies when scared. People just pushed it too hard.

Apple doesn’t support older systems that long (about 7 years) as you can see in the Obtaining service for your Apple product after an expired warranty

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ken mcgarvey will be eternally grateful.
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