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Repair guides for different sorts of graphing and scientific calculators.

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Black ink dots on my fx-570 Casio calculator LCD screen

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Please how do I clean the black ink dots on my fx-570Ms calculator LCD screen?

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The calculator is still working (I can still perform functions on it) just the dot is giving me concern..

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Sadly, the LCD display is damaged ;-{

Theres not much you can do here as calculators are now throw-a-ways.

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The calculator is still working. I can still perform functions on it, just the dot is giving me concern..

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Sorry, now nothing can be done. the LCD blackening is irreversible. :'-(

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Just get a new one or get a screen replacement for that model…. It's easy to dismantle the calculator

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It's very simple to repair the LCD screen. Just replace the reflector pasted behind the glass and fix it. It will work.

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Bukky will be eternally grateful.
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