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Repair information and guides for the updated version of the 2015 Retina MacBook that was released in early 2016. Model A1534 / EMC 2991

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Force Trackpad Weak After Assembly

Hey all at iFixit.

I am working on this MacBook, and I have been using it for a few months now without any issues. Yet, I couldn't help but notice that the force trackpad was very weak. I could hear the click, but I could barely even feel it. I took the machine apart, but the trackpad felt fine. After a snapped the lower case back on, the trackpad became weak again. Something happens when I snap the lower case on, and the trackpad loses power. I feel like something might be bent on the lower case, but nothing appears off.

Should I look somewhere else? Why would the trackpad lose power by simply putting on the lower case?

Answered! View the answer I have this problem too

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I would take a straight edge to see if the case is not caved in either side. Also check if the case is warped so diagonal corners appear to not lay flat on a known flat surface.

If you don’t detect any issues then I would summarize the TouchPad is damaged and will need replacement.

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@danj - Turns out the lower case was bent a little, I took some clamps and bent it back in place, trackpad feels great now!

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Jadon Lyon will be eternally grateful.
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