The TI-84 Plus Silver Edition is a graphing calculator released in 2004. It includes a USB port, pre-loaded software, APPS, storage, and a removable front and back case.

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Flashing cursor on TI-84 Plus?

I haven't used my calculator since the AP Calc test, so I don't know specifically when it happened, but now when I turn it on, I can't do anything.

At first the screen just flashed "Ans^-1" (but the actual display of power of negative one) over and over, like I had selected it, but no matter what button I hit, nothing happened. I pulled out the batteries a couple times, waited half an hour, but nothing changed.

Then today I took out the backup battery as well, which did a little. Now it just flashes over an empty space, like when it's waiting for you to type the first number, but I still can't do anything with it. Help?

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Although this sounds like a hardware failure, you can try a software fix first.

Try to reinstall the OS. I don’t know if it’ll work for you since your keys aren’t functioning but you may as well try it anyways here. (Fun fact: the [on] key works because it’s hooked up to the calculator differently from all the other keys)

In the likely event that doesn’t work, refer to this guide for troubleshooting and hardware fixes.

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