Texas Instruments TI-Nspire CX Defective Button Repair

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On the circuit board, cut around the failing button with a safety knife. Once it is loose, peel it off delicately with a screwdriver or tweezers.
Clean the button with rubbing alcohol.
Be careful not to dig into the circuit board with the knife. This could seriously damage your calculator!
Place the button back on the circuit board, then use a small amount of adhesive tape to reattach it.

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