Question about Texas Instruments TI-81 Calculator

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Took a battery out, put it back in and it wouldn't turn on.

I took a battery out of my TI-81 that I recently bought on eBay, and as soon as I put it back in, the calculator would not turn on. It had been working perfectly fine right before then. I don't know if anyone will be able to help, but I'd be extremely grateful if someone could. Thanks in advance. - Jeff

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  • Anonymous May 19, 2009

    I have the same problem- When I try calculator for the first time it works well, but after some time I cannot turn it on. I replaced batteries but It doesnt help.

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Try replacing both the AAA batteries and the back-up batteries. This should probably fix the problem.

Posted on Aug 27, 2007

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Solution that worked for me, taken from "Ti-89 titanium wont turn off":
Best Solution posted on Mar 05, 2008 Guest
Rank: Apprentice
Rating: 0%, 0 votes
I was able to fix the problem nut it requires several steps and only offers a temporary fix (untill the calculator is reset then it needs to be done again).
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Thats it I dont know how to get the bottom line back though...

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