Late 2011 model, A1278 / 2.4 GHz i5 or 2.8 GHz i7 processor.

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[[[[URL|URL]|URL]|URL]|i have problem please help me there are 3 wires in the matherbord i could not return it back and i need you to see the pic and tell me how i can do it there are 3 wire 1 black , another black but a lettle biger and Gray please see the links.

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I am not a Mac person, but do enjoy hardware and have some of the service manuals. What are the last three digits of your serial number? that way I can may be find the schematic and can help you out a bit better. I am certain that the Mac Gurus will be able to help you without any problems.

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Its. (v14). ،

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Thank you so much

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That is the microphone cable. If you still have the square connector that the prongs pulled out of

they will slide back in with a little force check the guide to align the right colors. If not you can just buy replacement I don't think price for used one is that high.

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Mahdi, take a look at step 25 of this guide. It shows your cable and it looks like Grey, thick black, thin black. Hope this helps, good luck.

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mahdi will be eternally grateful.
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