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모델 A1181: 1.83, 2, 2.1, 2.13, 2.16, 2.2, 또는 2.4 GHz Core 2 Duo 프로세서

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Trackpad acting erratically, diagnosis?

Hi! A little background on my machine... It's a chunky white unibody MacBook, made around 2010 according to the About This Mac. I bought it secondhand from a high school who had Apple-certified technicians working on site, so it was well cared for. They replace their laptop fleet every 3-4 years so when I bought it in 2013 it already had some use on it. It's rather old today, as can be seen (and heard) in the louder clicking of the hard drive, the cracking plastic on the hinges, louder fan and "Replace Soon" battery status. However, 2 days ago the trackpad began to act wildly, despite not being dirtied or having any liquid spilt on it. It began to highlight and zoom, open dictionary constantly, and resist movement in any direction it didn't want to sporadically jump to. This went on for several hours to varying degrees of awfulness. After cleaning the trackpad, pressing down on it and shifting it over a tad, and letting it rest closed while I slept, the next day was better. Occasionally it would act up for about a minute, but mostly remained fluid and usable excepting the right side which remains stiff and laggy. Today it is the same with occasional behavioral issues. Im worried it may be the battery swelling, but there's no way I'm covered by any warranty now after technician tampering at the school and years off of any plan. As well, I can still click both sides and theres been no key issues, so perhaps its something else. What do you think it is? If it is getting better, will it go away eventually? And if it is battery swelling, would it be better to just junk the whole thing and upgrade? This thing doesn't have a whole lot of time left anyway I'm afraid...

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Use a nickel or a penny and remove the battery and LOOK at it.

MacBook Core 2 Duo Battery Replacement

Leave the battery out, boot the machine and see if the problem persists.

If the problem is gone, replace the battery.

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Like what Mayer said, sounds like a bad battery. From what you describe, you have a unibody white MacBook right? Mayer probably got confused because you posted it in the wrong category, this is for the pre-unibody 2006-2009 models. Anyways, to remove the battery, all you need to do is take the back panel off and remove the battery screws. I think it is worth it to replace the battery, this computer will still last a couple years, as the next version of macOS, High Sierra, will support it. Cheap ones can be found on eBay for $20-$30. MacBook Unibody Model A1342 Battery Replacement

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You are probably correct on the model. Thanks for catching that.

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