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发布于 2012 年 6 月, 型号 A1278. Intel 处理器，支持 Turbo Boost, 最多 512 MB DDR5 显存

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Power button doesn't work is there a software fix?

Hi there so recently my MacBook Pro 2012's power button stopped working basically no matter how much I press on it has no response and it is quite frustrating to have to remove the battery connection and then connect charger to turn it on. If I accidentally shut it down. I have seen people fixing this problem by tearing down the keyboard and replacing with new components.

As I’m on a tight budget and don’t want to deal with tearing apart my laptop is there a software solution when I can assign any key on the keyboard to act as the power button? Just to clarify all of the keys work fine except the power button.

Thanks

its2009

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Sorry there is no software fix here for this problem. The power switch is part of the Keyboard assembly as you can see here:

Block Image

The signal is not handled within the keyboard as such you can’t re-assign things.

You’ll need to replace the uppercase assembly or with a bit more work you can replace you can replace the keyboard alone.

You’ll need to follow this guide MacBook Pro 13" Unibody Mid 2012 Upper Case Replacement and then if you do the keyboard you’ll need to under the 80 screws which hold it on the uppercase.

Replace an upper case assembly compatible with the model A1278 Early 2011 to Mid 2012 MacBook Pro 13 inch Unibody laptop.图片

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MacBook Pro 13" Unibody (Early 2011-Mid 2012) Upper Case

$49.99

Replace a damaged, dirty, corroded, or malfunctioning keyboard and power button switch compatible with a mid 2009 to mid 2012 A1278 model 13" MacBook Pro Unibody laptop.图片

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MacBook Pro Unibody (A1278) Keyboard

$19.99

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