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MBP mid2012 weird keyboard issue - keys yuio come and go

So this is pretty weird. The yuio keys of my Macbook Pro non-retina mid2012 keyboard sometimes become un-reactive. I found a way to reactivate them., which sometimes works, sometimes not... If I press t and y repeatedly for 10-30 times the keys will work for a while.

I have seen several discussion threads with similar issues and I wonder if there is some cure, as it does not seem to be entirely hardware-related... However, in Bootcamp or in the filevault pre-boot login screen I get the same issue.

I tried cleaning the logic board connector cable. I cannot remember spilling any liquid into the Mac.


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Sounds like a keyboard issue. If there has been a small amount of liquid on the keyboard, it can cause issues like this (sometimes some keys not working, sometimes working on their own, etc).

Order a new keyboard, and plug it in to see if it has the same issue. Keyboards cost about £15-£20, so it is not very expensive and it is not a difficult repair to do.

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Is repair possible with this issue instead of attaching external keyboard?


@edbergavera yes, I am suggesting to repair it. Search on eBay for A1286 keyboard US (if your keyboard is a US layout), they will cost £10-£20


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