2.26 or 2.4 GHz / White plastic unibody enclosure

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Trackpad - fallen in, works sporadically

Hi,

My trackpad sits slightly lower than it should in the bottom corners. I've encountered all manner of issues with it over the past year, seemingly at random - e.g. cursor stops moving vertically, hard click stops working, unresponsive. Apple fixed a very similar issue 2 years into my warranty (3 years ago now) and replaced the trackpad, battery and entire casing. I think I remember them saying it was related to a swollen battery.

I'm going to try and fix it myself so would appreciate some help! In particular:

- Do I need to replace both the trackpad and battery?

- When replacing the trackpad, is there anything else I need to do to make sure it sits correctly?

Cheers,

James

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@James - You state in your question the surface of the trackpad is lower than it once was. Is the trackpad loose? And does the the plate look worn.

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Thanks all for your responses. I'm pretty certain it's not a software issue - When I went to an Apple Store they told me the trackpad would need to be replaced. I also had an almost identical problem in year 2-3, which was fixed under AppleCare with a new trackpad, casing and battery.

Dan - I'm at work so don't actually have the laptop to hand, but don't recall it being especially worn. The top of plate seems to be fixed in fine, but it gradually inclines downwards towards the user. It's particularly acute in the bottom right corner where it falls several mm when hard-clicking - much looser than what you'd get on a factory trackpad. Although the hard click (almost) always registers, actions like dragging and dropping are extremely temperamental - a lot of the time it won't let me do it, and often when I do get it to work I'll get halfway across the screen ( or less) before it cuts out.

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Sadly, its time for a new trackpad.

When the tracking goes as you describe the trackpad tracking surface is damaged. Did you spill something or have you been using a spray cleaner on the it? The glass covers are much better but any liquid that seeps through the gaps can damage the circuitry just under the glass plate (or plastic). It sounds like that is what happened here.

As for the click plate alignment after you replace the trackpad you do have an adjustment screw to adjust it so its not loose (click) and some wedge plates if needed for the entire unit: Apple P/N 922-9175 Trackpad. And here's the IFIXIT guide to replace it: MacBook Unibody Model A1342 Trackpad Replacement.

This is a very easy repair (at most 45mins) just be careful with the ribbon connector and the ribbon its self.

MacBook Unibody (Model A1342) Trackpad Image

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Thanks Dan, appreciate your help!

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James Funnell will be eternally grateful.
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