Replaced top case to fix keyboard, but now keyboard is only typamatic

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Macbook Pro 13 Retina A1425

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发帖于: 2017年5月31日

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Replaced top case to fix keyboard, but now keyboard is only typamatic

I have along history with computer hardware repairs, just not the MacBook. My wife's MacBook Pro 13" Retina late 2012, model A1425 had a dead, worn out key, a corner ding, and a dying battery. I ordered a top case assembly with the keyboard and battery in place, and got a lovely looking assembly.

I spent the three hours following ifixit's detailed instructions for replacing a top case, and had no real problems with the process.

However, upon reassembly, the machine boots and looks OK, but I can't even enter the password because the keyboard will not insert single letters - only half a dozen or so if you leave a key down until typamatic repeats start. ER, I think. I really can't see the characters being entered, only the dots for the password.

So did I get a good-looking top case assembly but with a bum keyboard, or is this a cabling/connector issue? I re-seated the keyboard cable twice on that theory, but it acts the same.

What should I look at next?

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R.G. Keen @rgk 声誉积分: 1 · Answer 1 · 2017-06-04T04:57:27-07:00

It was the keyboard cable placement in the connector. I removed and re-seated the connector several times, and eventually got a position which made everything work.

If you do your own work inside these things, be aware that the flex-circuit cables have enough space side to side and end to end in the connector to misalign. You may need to tinker the position carefully a few times. Fortunately for me, the keyboard connector can be accessed with no other removals. The touchpad connector, which has the same issues, needs only the battery connector lifted to access it.

Macbook Pro 13 Retina A1425

Replaced top case to fix keyboard, but now keyboard is only typamatic

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