Power button doesnt work after replacing keyboard

If really sounds like you got a damaged board. I've replaced several of these with no issue. Are these the same keys that were not working on the old keyboard.

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Yup, exactly the same keys indeed. I can see tiny spots of corrosion on the ribbon cable plug, so I'm hoping that I can still clean it somehow. I Cleaned whole logicboard using alcohol and toothbrush, gave the keyboard plug a nice brush as well. I think ihave to clean it internally, somehow :/

Apr 18, 2015 by Vilius

There are 22 machines with the A1286 designation. Please give us the last four figures of your serial number so I can tell which one you have and try to give you a better answer.

Apr 18, 2015 by mayer

Sorry, it's no: W80490NGAGU, the one with 2.4Ghz i5

Apr 18, 2015 by Vilius

I feel like I will have to re-solder whole Keyboard FPC Cable Connector. Seems like it's rather complicated operation. Is there a method I should try before replacing the connector?

Apr 18, 2015 by Vilius

Take a look at step #15 of this guide. I use a piece of tape to help pull the cable completely into the slot. Take a look at the slot and see if you can discern any debris or corrosion in it and let us know your results. This may be a question for Louis. MacBook Pro 15" Unibody Mid 2010 Upper Case Replacement

Apr 18, 2015 by mayer

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