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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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Lol I flashed my nspire with the cas os

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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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I was having trouble with a CX nspire. The startup sequence would run and then the calculator would go into a dark grey screen that seemed to have moving lines. I reset several times, no success.

What fixed it was the following. I switched out a battery from a good calculator. With the good battery, the computer was able to restart and run normally. When I put the old battery back in, the calculator also ran normally. (while connected to power on the usb cable)

I am going to let in charge for a while and see if the fix is permanent. I may have to buy a new battery but at least it is working now.

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Wenqian Li さん、ありがとうございました!
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