Introduction
Signs you may need this replacement:
- The device doesn't turn on
- The display appears faded/weak
This is a difficult replacement. You will need to break some things during this replacement permanently. Be aware there is a high risk of battery puncture during this replacement. Proceed at your own risk.
Ce dont vous avez besoin
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Unscrew the back and open the calculator like a book. Open it carefully so you don't tear the battery wires.
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Lift and remove both wires connected to the battery. They are blue.
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Insert your new batteries into the same spot as the previous ones.
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Slide the blue wires back into place.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.