Model A1311 / Mid 2010 / 3.06 & 3.2 GHz Core i3 or 3.6 GHz Core i5 Processor

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Can I replace the 256mb with 512mb

Hi there, if I replace the video card which is 256mb with a 512mb will I have any issues?

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Answered! View the answer I have this problem too

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Thanks everyone! Found a 512mb Apple Card. Perfect compatibility so should work fine

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Here are the P/N's for the different graphics cards:

  • 661-5539 - ATI Radeon HD 4670 (256MB)
  • 661-5546 - ATI Radeon HD 5670 (512MB)

If you use a real Apple GC you'll have no problems. If you use something other than Apple's part you'll need to burn the Apple firmware onto the card with is not easy!

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Hi,

In iMac 21,5" mid 2010, the video card is soldered on the motherboard.

So, you have a problem unless you change the motherboard that has a 512mb video card.

If you made, take good mother card the same year as yours and you should have no problem.

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Sorry I must have been mistaken. In regards to the detachable board that is connected to the logic board?

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Sorry, I was wrong model.

Yes, you can change the video card but, you must find a 512mb card that is included with this model in and you have no problem.

If I refer to the Apple website it would be this : 3.2GHz ATI Radeon HD 5670 graphics processor with 512MB of GDDR3 memory

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Jamie H will be eternally grateful.
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