Question about Texas Instruments TI-89 Calculator

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TI-89 Won't Turn On

I haven't used my TI-89 Titanium for about 2 years. I just tried to turn it on, and it won't turn on. I have replaced all the batteries. What do I do?

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  • jenniferni68 Jul 21, 2008

    My TI-89 was working two days ago with fine battery and now it wont turn on (new batteries and everything).

  • pinkruby Nov 14, 2008

    I have not used my TI-89 Titanium calculator for about 6 months. November 11, 2008 I just tried to turn it on, and it will not turn on. I replaced the four AAA batteries and the back-up battery by the all new batteries. It will not turn on.

  • Anonymous Dec 13, 2008

    new batteries, was working 3 days ago, won't turn on

  • dave408 Jan 29, 2009

    Mine doesn't turn on... hadn't used it in about a year and a half... one of the old batteries looked like it might have leaked, but I don't think any material from the batteries got inside. Just in case I put some baking soda in the battery compartment, blew it out with compressed air, I put new batteries and removed the backup battery and tried the 2nd, left, right, on but it didn't work for me, nor did the blowing in the USB socket. Does TI have a service facility that would cost less than a new one?

  • Anonymous Jan 30, 2009

    I've had 3 ti's do the same thing and my 89 just did it. I can't figure it out and i'm a freaking engineer.

  • linamavilla Apr 02, 2009

    I haven't used my TI89 Titanium for about six months. I was going to use it and now it doesn't turn on.

    I replaced the AAA batteries and it worked out for about a week, then, when i was using it, i turned off suddenly. I replaced the backup battery and now it doesnt turn on.


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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:

  1. Adjust the contrast by pressing and releasing the Diamond Key key followed by pressing and releasing the [+] key; repeat as necessary. To adjust or lighten the display, use the [-] key.
  2. Users of the TI-89 Titanium or Voyage 200 should see the following case before performing the following reset procedure to prevent the loss of valuable Apps.
    On the TI-92 family or Voyage 200, hold the [2nd] key and the [hand] key, then press and release the [on] key. On the TI-89 family, press and hold the [2nd] key, left arrow, and right arrow; then press and release the [on] key. This should reinitialize the operating system, in which you should see a progress bar filling on the screen.
  3. Remove one of the AAA or AA batteries. Press and hold the [APPS] key, and while holding the [APPS] key, replace the battery and turn the unit on. TI-89, 92 Plus, or Voyage 200 users should see "Press I to install code...", and should press the [9] key. The calculator should then say, "Waiting to receive...". TI-89 Titanium users should see "Waiting to receive..." or "Waiting to received OS...". You will need to restore the calculator's operating system.
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.

Posted on Jan 30, 2009

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I had the same problem I check each one of the battery connector and notice that one was missing, search for it in my bag, find it and put it back the plastic that hold the connectors is of very bad quality check that

Posted on Nov 17, 2014

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SOURCE: The TI-89 Titanium calc. purchased in Oct. 09 won't turn on

Hello,
Try to increase the contrast
1. Turn it on
2. press [2nd] and release button
3. Press [UpArrow] and release button
4. Repeat steps 2 and 3 until contrast is adequate.

If that does not work use the link below to install TIConnect software
http://education.ti.com/educationportal/sites/US/productDetail/us_ti_connect.html
Install it on your computer and run it to oppen the main Window. Then connect you calculator to a USB port and, in the TIConnect main window Click the TIConnect TIDeviceInfo. It will try retrieve the info.
If it does your calculator is fine.

If it tells you Device Not found , Click communication settings in same pop up window where it said Not found, and Select Device, Select Cable, Select Port and try OK..

If all that does not work, then it may be time look for a repair shop.

If you are lucky and it works, you should reinstall the OS, which can be downloaded from education.ti.com. You drag and drop the OS on the TIconnect main window. Calculator must of couse be connected to computer.
Hope it helps

Posted on Sep 12, 2009

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SOURCE: TI-89 titanium does not turn on

have tried replacing its batteries!

Posted on Nov 04, 2007

raklein62
  • 360 Answers

SOURCE: TI-89. Don't turn on.

I've did the same thing but, with Ti Connect Device Explorer software, I was able to reinstall the OS software. If it is that unresponsive take out all batteries including the backup battery for about 4 hours. I had to do that one time just to get unlocked from the graphing APP. Ti one time told me to miss with the arrow and ESC keys, and it works sometimes. Good Luck, and I hope this helps your posted problem.

Posted on Sep 14, 2009

raklein62
  • 360 Answers

SOURCE: TI-89

If you make a custom, you can have the Toolbar F function keys operate as 7, 8, & 9. If you respond with a rating I'd even write one out for you, and make it where you just hit [2nd] [CUSTOM] for the use of those keys.

Posted on Sep 15, 2009

raklein62
  • 360 Answers

SOURCE: When I turn the switch on, ti-89 titanium does not turn on.

If you connect calculator to computer using Ti connect device explorer you might be able to see what files are on the calculator. I don't know if you downloaded from the web but, 3rd party programs and shells tent to miss up the calculator. This would able you to delete out possible problems which could be re installed later.

Posted on Sep 22, 2009

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You need to re-install your calculator's OS. After this process your Ti 89 Titanium will operate properly. If you do the process below make sure you use new batteries.

Warning!!! If you do this procedure make sure that your computer and, calculator are connect. Use Ti Connect software and, make sure you can install the OS on the calculator without any interruption. At any time even at the very beginning of this process, if your computer or, calculator gets interrupted or you have a power failure during the installation of the OS, your calculator will be destroyed. So not attempt this procedure during a thunder storm.


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Link your computer and calculator with the USB cable or, Direct Black Link cable that came with the calculator.

Remove one of the AAA batteries. Press and hold the [APPS] key, and while holding the [APPS] key, replace the battery and turn the unit on. On the older TI-89 you should see "Press I to install code...", and you should press the [9] key to continue. But, on your Ti 89 titanium it should say, "Waiting to receive..." or, "Waiting to received OS...". Now you need to follow the instructions in the paragraph below to restore the calculator's operating system.

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1) Update the OS from the TI site.
2) check if button is sticking(not necessarily just the plastic button, but what it hits on the inside... you can clean the contacts on the inside of the calc with a Q-tip and rubbing alcohol.)

I don't have much experience with this specific calculator but those are my best bets.

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My TI -89 won`t turn off


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).
1. Press F5, then Dimond (symbol on buttion) then "Clear"
2. Press "alpha" then "S"
3. Press "0" dont mess with anything else here
4. Press "2nd" then "Quit"
Now you can turn it off but are missing the bottom text (rad,auto, etc...) to fix
6. Press "Mode" change radian to degree then "enter"
Now the text is displayed showing the mode.
7. Set the mode back to radian by reversing step 6.
Thats it I dont know how to get the bottom line back though...

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