Question about Texas Instruments TI-89 Calculator

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My ti-89 will not come on

I have replaced the batteries thinking that they were the reason that it won't come on, but after replacing the batteries it still will not come on. What should I do to get the calculator to turn on or it something wrong with the calculator that can't be fixed?

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Check to be sure the battery contacts are actually touching the batteries. You might try bending them in toward the batteries (or stretching the spring a bit (if they are that kind of contact - I can't remember). Also be sure you are using good replacement batteries (sounds silly I know, but sometimes you get a dud).

If it still doesn't come on you might want to try opening it up and looking inside (can't hurt - it's not working anyway, right?). Sometimes, because of a drop, a part might have come loose and can be resoldered or there might be some other visible problem. (My daughter's TI-83 had a little coil that had broken loose after she dropped it, and it was a simple repair.)

Good luck!

Posted on Dec 11, 2008

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Please don't get your hopes up, but perhaps something in the following few suggestions will work:

For the TI-89 Family, TI-92 Family, and Voyage™ 200:
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To reinstall the Calculator's operating system, take a look at the following TI site.

http://epsstore.ti.com/OA_HTML/csksxvm.jsp?nSetNumber=12089

I would hunt around on the TI knowledge base to see if there are some more useful suggestions if nothing above works. If I find any more info that could be useful I will post it.

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