![]() ![]() ![]() Using isopropyl and a special flat tool, we soften and cut into the strong adhesive holding the centre battery cell in, which we can then lift out of the way from the keyboard as needed. We do the same thing with the microphone, carefully unsticking it from the keyboard backing. The Touch Bar PCB is covering the top corner of the keyboard too, so we unscrew this and carefully pry it from the adhesive to lift it out of the way. We unscrew a couple of screws for the battery PCB next, along with a couple more holding a shield over the keyboard, and we remove the fans and charging ports to allow easier access. We remove the trackpad to avoid damaging it whilst we remove the battery. Firstly, we remove the 10 screws holding the trackpad in this is located underneath the centre battery cell which is glued in and partially overlapping the keyboard. Unfortunately, before we can get to the keyboard, we need to remove a number of components covering this. Plugging in a UK keyboard for this model, we were able to verify that the keys were now working correctly when pressed, so the keyboard needs to be replaced. The next step was to try a test keyboard, to ensure the issue is definitely related to the keyboard. Some parts did have visible liquid staining (the fans and bottom cover, which was minor), but no electrical components. In this case study, we have a MacBook Pro 13" Retina Early 2020 A2251 model where some keys are not registering when pressed.ĭisassembling the device, there were no visible signs of liquid entry internally, and the logic board luckily did not suffer damage. ![]()
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March 2023
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