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Released October 24, 2011 / 2.2, 2.4, or 2.5 GHz Quad-core Intel Core i7 Processor

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Trackpad and Keyboard not working still after replacement

Purchased a 15 MBP 2011 where the keyboard / trackpad aren't working.

I replaced the keyboard and trackpad today and still the problem persists. The laptop is not recognizing the keyboard at all as the request to pair a bluetooth keyboard keeps popping up.

The ribbon cable on the original keyboard looked find and I was careful when removing / inserting the cable. Also, will the trackpad not work if the keyboard ribbon socket is bad? You'd think they'd be independent?

When I replaced the keyboard / trackpad I obviously replaced both cables. Both new keyboard and trackpad were tested working.

Is there something else on the logic board that cause this to fail? Possible software at all?

External keyboard/mouse work fine. Thanks!

Answer this question I have this problem too

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Possibly USB controller? Try cleaning the logic board? Any thoughts would be great.

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Yes there is. But first will it fully boot up? Will it work with an external keyboard? Have you seen any video anomialies or artifacts? Booting only halfway?

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Boots just fine, no video issues at all. Works just fine with an external keyboard. Thanks!

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Do you know the history on the machine? Any signs of water damage (any red LSIs? Does it boot from the power on button? Be aware of this issue even though it may not be a problem it has been know to cause all sorts of anomalies: https://www.apple.com/support/macbookpro...

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Hmmm....would be great if I was experiencing some video issues and could lean on Apple for a fix : )

No signs of liquid damage. Honestly, when I took the original keyboard out, it was one of the cleanest I had ever seen.

Boots from the power button, yes.

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