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Model A1502 / 2.6 GHz (Turbo Boost up to 3.1 GHz) or 2.8 GHz (Turbo Boost up to 3.3 GHz) dual-core Intel Core i7 processor with 4MB shared L3 cache.

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MacBook Pro - Power button malfunction

Hey there!

I currently have an issue with my MacBook Pro 13” Retina Display from Mid 2014.

I can start the MacBook normally with the power button, however, if I don’t constantly press any button on the keyboard it will turn off as if I would hold down the power button for an extended time. It even shows me the dialogue if I want to put it in sleep mode, restart or shut down. All keys on the keyboard work without any problems.

It only turns off on its own, it does not turn on by itself.

I have read about a similar problem in this post: MacBook Pro turns off after a couple of seconds

Obviously, my MacBook already ran out of warranty so I am looking for a DIY solution. I have read that it is not possible to disable the power button / reassign it to something else. For now, I can keep it running by constantly pressing the “fn” button but I would like to sort this out.

UPDATE:

I finally got the right tools to open the MacBook and I was able to verify that the keyboard causes the problem. I disconnected the keyboard connector from the logicboard and started the MacBook by jumping the power on pads. It did not turn off on its own again and in combination with an external keyboard I was able to use it normally.

Best regards,

J

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Have you spilled anything on the keyboard?

由完成的

@mayer I didn't but since I got it second hand I cannot know for sure what happened to it during its lifetime.

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Since you don’t know it’s history, use Coconut Battery https://coconut-flavour.com/coconutbatte...

to get an idea of the battery status on it. If it has over 500 cycles. consider replacing the upper case with one with a new keyboard and battery:

MacBook Pro 13 英寸 Retina 显示屏 2014 年中机型上盖更换件

If the battery is in good shape look at replacing the keyboard.

Here’s how to do that:

https://www.youtube.com/watch?v=e96zY4c6...

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Thank you for your answer already but I don't think that changing the whole upper case is a good solution or necessary. I was able to verify that the keyboard causes the issue, thus, buying a keyboard for 20 bucks is way cheaper than the whole upper case. I've updated my initial post with how I verified that the keyboard is the cause.

Also, even though my battery has over 500 cycles (no CoconutBattery necessary to find that out btw) it is not related to the problem and I don't need to change it as it is still working just fine.

Best regards,

J

由完成的

I’d still face the problem even the battery has been replaced 2 times, did you got your mac fixed?

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Peter Fox 将永远感激不已
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