I turned on my calculator and only the upper half of my screen is showing. I’ve changed the batteries and reset the calculator and it is still not working. I have attached an image of my calculator for reference (I darkened the screen so the problem can be seen better).
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This is a classic example of ribbon cable failure. Unfortunately, unless you have a soldering iron, there’s nothing you can do to fix it. There’s a guide over on the Cemetech (calculator forum) that addresses this: https://www.cemetech.net/forum/viewtopic...
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