Question about Texas Instruments TI-81 Calculator

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Black screen my screen is either black or it shows nothing at first i thought that maybe it was the color i did the 2nd down to lighten the screen but it doesn't work..i replaced the triple A batteries and even replaced the cr1616 battery as well..but its not doing anything..there is no display of numbers or anything..all there is, is a black screen or clear screen...please help!

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  • whateva4life Dec 02, 2007

    I have a TI-84 calculator and my sister stepped on the screen so now it is cracked. The calculator still works is just that i can't see all the numbers because of the cracked screen. Does any body know were i can get a replacement screen and about how much it would cost?

  • Mojon Sep 30, 2008

    Yeah, I broke my screen too. It was in my book bag and I ran backwards into a car...embarrassing. Now the screen is broken and it appears black on some parts, even when off. Any idea where I can replace the screen?



4 Answers

Don't rape calculators

Posted on Oct 24, 2008

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It´s normaly SW, if it supports flash apllications, intall newest SW. worked for me in 2 i had. i have one ti-83 with the same problem, but once it doesn't suport flash i used it's lcd to instal on another that had a broken one. the lcd its usualy good. unless its broken. hope it helps

Posted on Dec 08, 2007


Maybe it's the brightness setting. I just had that problem and i solved it by first pressing the 2nd button and then holding down the 'down' button for a while.

Posted on Nov 11, 2007


Posted on Oct 09, 2007

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