Mid 2009 Model A1278 / 2.26 or 2.53 GHz Core 2 Duo processor EMC 2326

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Key won't work after replacement - rubber nub problem?

I had to replace the dash key on my MBP but now it won't work anymore. I know I moved the rubber nub around a bit but it's still in place. but I read that the rubber nub is essential to the key working so I think it might be that. Is there anything I can do to fix it?

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Please expand upon "won't work"- won't strike or won't pop back up?

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It won't strike. The key itself pops up but nothing appears on screen

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A key re-mapper app. could move this stroke to a lesser used key. You might also use the keyboard viewer as a work around. The placement of the nipple is essential as that's what compresses the "switch" on the keyboard.

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ok thanks. so there's no physical way I can fix that? Sometimes the key always "gets hit" and there's a whole series of dashes that appear. So it's kind of working

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You could try siliconing the nipple in the place it belongs... let it dry 24hrs before replacing the key.

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Ok I'll try that. What can I do about keys not popping back up? Any tips there?

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The "nipple" is the spring. If the key hangs and the nipple is there/good look at the scissors to see if they are unlinked (pop together to make an X hinge) or if one of them is broken/missing or not snapped into the key-plate.

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