How to repair non-functioning buttons?
4-6 keys are not working. Every other button on the calculator works though.
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Cant
If there is a way you would have to open it and remove plastic rivets (Cant) then repair buttons
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Sometimes buttons stop working because the case got slightly bent and there are pressure/alignment issues-- I just fixed a student's calculator by unscrewing the screws; without opening the case, pushing the buttons a few times to get them unstuck and release pressure; then putting the screws back in, but not fully tightening the corner closest to the malfunctioning buttons.
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