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Texas Instruments TI-89 Calculator
Problem for Texas Instruments TI-89 Calculator

Can't turn on Ti-89 after not using for 5 years




By misunp79 on Jul 01, 2009

" "
Even i changed the back-up battery and aaa batteries, I can't turn the Ti- 89 on.
I also tried to reset it by pressing [2nd] + [left] + [right] +[on], however, it didn;t work at all.
Plz~ help me out on this issue.
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Solution #1

posted on Aug 27, 2009
Not Rated)

raklein62
raklein62

Rank: Wiz 
Rating: 84%, 110 votes
Will it connect to the computer using device explorer, This way you might be able to see what the calculator is installed with. And it should turn on automatically.
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