Why is my screen all black?
When I put in the batteries into the calculator, the screen is all black. I've tried changing the contrast but nothing happens. Please help!
Esta é uma boa pergunta?
When I put in the batteries into the calculator, the screen is all black. I've tried changing the contrast but nothing happens. Please help!
Esta é uma boa pergunta?
Daaang I'm late.
Anyways, It could be that your ribbon cable is failing. This is a common issue and not incredibly hard to fix. You can view a great guide for fixing it here.
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