Question about Texas Instruments TI-83 Plus Calculator

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Weird lines, characters, symbols etc.

My calculator turns on, but anything I type in comes up as weird lines, characters, and symbols. Nothing is legible. The screen does not say "Batteries are low." I have replaced the AAA batteries just in case; I tried them in other devices and they worked in them but I still get the mess on the calculator screen. Do I need to change the lithium battery? I've had this for a number of years and never changed that. Or is it software issue?

Posted by Bball655 on

  • zimmer_steve Oct 02, 2008

    Changed AAA batteries, and now screen displays random mess of symbols



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Anonymous

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  • 35 Answers

It sounds like you need to put in a new set of back-up batteries. They can be found behind where the AA batteries are.

Posted on Aug 27, 2007

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Every time I put pc into sleep mode when it comes out the entire left side of keyboard comes up with weird symbols and characters.


May i know for how long you have been facing this issue now?
And what exactly do you mean by "entire left side of keyboard comes up with weird symbols and characters"?
The on-screen keyboard comes on your screen?

Have you enabled the On-screen keyboard feature in control panel?

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