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A comment on my old laptop battery guide made me rethink the whole thing
I posted a video showing how to swap a swollen battery in a 2015 MacBook Pro, and someone pointed out I didn't mention checking the power adapter's voltage first. They said, 'A bad charger can cause that swelling, so you're just fixing the symptom.' I changed the guide to start with testing the charger with a multimeter. Has anyone else had a simple fix turn out to be a bigger problem?
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