Question about Texas Instruments TI-89 Calculator

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My ti 89 calculator wont work i changed the aaa batteries what should i do

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TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

If that doesn't do it, please append a comment to this post and we'll go on from there.

Posted on Sep 01, 2010

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1 Answer

TI-89 Screen not Responding


Remove one of the AAA batteries.

Press and hold CLEAR while reinstalling the AAA battery.

Continue holding CLEAR button and press ON.

Release buttons and press CLEAR again.

Jan 29, 2013 | Texas Instruments TI-89 Calculator

1 Answer

I have a TI-89 Titanium but I wont turn on. I changed the internal battery and the normal battery (AAA) but still not working. Need help.


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and hold the diamond key, then press the + key repeatedly to see whether the screen darkens.

If this doesn't do it, please reply to this post and we can try other things, though they may cause the loss of the contents of memory.

Mar 03, 2011 | Texas Instruments TI-89 Calculator

1 Answer

My TI-89 won't turn on at all, i have replaced the four AAA batteries, and i replaced the back-up battery, i even tried to adjust the dimmer, but it still won't turn on, what do I do?


Next try. Remove one of the four AAA batteries. Press and hold (-) and ) keys as you replace the battery. Continue holding (-) and ) keys for five seconds before releasing. What happens now?

Sep 11, 2010 | Texas Instruments TI-89 Calculator

1 Answer

Do i need both the back up lithium battery and the 4 AAA batteries for my TI-83 calculator to work? Or can it work only with the 4 AAA?


The calculator can work with just the AAA batteries. But, without the backup battery, you'll lose all the contents of memory when the AAAs die. The backup battery is intended to keep the contents refreshed while you replace the AAAs.

Feb 06, 2010 | Texas Instruments TI-89 Calculator

1 Answer

TI 89 won't turn on


Try a hard reset if you're willing to sacrifice the contents of all RAM.

1. Make sure the batteries are installed correctly.
2. Press and hold the 2nd, Left, and Right keys.
3. Press and release the On key.

Jan 19, 2010 | Texas Instruments TI-89 Calculator

1 Answer

Ti-89 won't turn on -replaced AAA batteries -replaced backup battery -pressed left, right, 2nd, on at once no response


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on at all. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

Nov 09, 2009 | Texas Instruments TI-89 Calculator

1 Answer

How can I revive my TI89 after two years of not using it?


It could be that you need to replace the backup battery located behind a little door with a screw in the battery compartment. If this doesn't work, try resetting your calculator by leaving backup and AAA batteries out for about 8 hours and reassembling it. Hopefulyy this will work. Good luck

Jul 29, 2009 | Texas Instruments TI-89 Calculator

2 Answers

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


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.

Jul 01, 2009 | Texas Instruments TI-89 Calculator

1 Answer

Voyage 200 won't turn on


I've fixed my Voyage 200!! I fixed it using the 3rd solution listed below. I've placed them all in there in case the one I used din't work. The funny thing is the solutions listed weren't even for the Voyage 200. I mistakenly tried the wrong one, but it worked!! I've also posted some soultions listed for the Voyage 200 just incase the others don't work and the website I found these solutions can be found here. Good Luck!!

Website:
http://epsstore.ti.com/OA_HTML/csksxvm.jsp?nSetId=85103&nUsePub=NO&jttst0=6_23871,23871,-1,0,&jtfm0=&etfm1=&jfn=ZG1C0B48595DC76138EFAD7BAC9C1E63B698A69C9FCFEA6C84DEE9934631AC138649F2CD10EBEEF5C5E390C0B8C5F215C2F3

List of solutions that worked for me:

  1. Try a new set of batteries (including the backup battery).
  2. Adjust the contrast by pressing and releasing the [2nd] key followed by pressing and releasing the up arrow; repeat as necessary. To adjust or lighten the display, use the down arrow.
  3. Remove one of the AAA batteries. Press and hold the CLEAR key. While holding CLEAR, reinsert the AAA battery and then turn the calculator on. The calculator should display the message "RAM Cleared". Release the CLEAR key and then press it one more time to remove the message. (worked for me!! Never actually said "Ram Cleared" just had a long box across the screen that filled up and POOF it was back!!)
  4. Remove one of the AAA batteries. Press and hold the DEL key. While holding DEL, reinsert the AAA battery and then turn the calculator on. The calculator should display "Waiting...Please install calculator software now". Follow the instructions for the TI-83 family or TI-84 Plus family to reinstall the calculator operating system.
  5. Remove all of the batteries including the round lithium battery for 5 minutes. After the 5 minute period, reinsert all of the batteries and turn the calculator on. Adjust the contrast if necessary.
Voyage Solutions:

For the TI-89 Family, TI-92 Family, and Voyage™ 200:
  1. Try a new set of batteries (including the backup battery).
  2. 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.
  3. 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.
  4. 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.

Jan 28, 2009 | Texas Instruments Voyage 200 Calculator

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