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The TI-Nspire CX handheld features a full-color, backlit screen, thin sleek design and includes TI-Nspire rechargeable battery.

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Nothing showing on the screen?

Hi! I have a TI-Nspire CX calculator, and now my calculator can’t turn on the screen. It’s broken maybe is because I am trying to upgrade the calculator to a TI-Nspire CX  CAS calculator.

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You cannot simply flash the CX CAS firmware to the CX calculator so you may have bricked the calculator. If you haven't already tried: unscrew the battery cover and remove the battery; while the battery is the removed press and hold the reset button down (using a pen, paperclip, etc.) for around 10 seconds. Put the battery back in and let us know if it works!

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Honestly I'm not much help with Nspire calculators. @a16457m I suggest you turn your comment into an answer!

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Will do @TheLastMillennial

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You cannot simply flash the CX CAS firmware to the CX calculator so you may have bricked the calculator. If you haven't already tried: unscrew the battery cover and remove the battery; while the battery is the removed press and hold the reset button down (using a pen, paperclip, etc.) for around 10 seconds. Put the battery back in and let us know if it works!

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Wenqian Li will be eternally grateful.
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