Question about Texas Instruments TI-89 Calculator

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

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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I took my TI-89 apart and found that some parts of the copper connections to the batteries eroded away. I tweaked it so that that the batteries were connected to the circuit board and it could turn on.

Posted on Oct 26, 2011

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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.

Posted on Aug 27, 2009

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I spilt just a little water on my calcultor (ti-89) i opened the back of the battery and they had small droplets on some of the batteries. It turns on but when ever I try to type something it types the...


Try to solve this problem on this ways:

1. By
first, replace 4 AAA batteries.

2. If that does not help replace a small lithium battery. Its so called back up
battery

Jan 19, 2013 | Texas Instruments TI-89 Calculator

1 Answer

My calculator powered off and will not power back on. it is just over a year old.


Did you try replacing the batteries with fresh batteries? I believe they take standard AAA batteries.
I use rechargeable batteries in mine.

Mar 01, 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

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

2 Answers

I accidentally pressed down for too long on my ti-84 plus calculator and i think it locked itself. how can i turn it back on? I NEED it for school!


From TI FAQs:

What troubleshooting can I try if the TI graphing calculator will not turn on?

For the TI-83 Plus Family, TI-84 Plus Family:
Caution: The resets described in these troubleshooting steps will cause a loss of applications, programs and data. If at all possible please create a backup using TI Connect™ first.
  1. Try a new set of AAA batteries.
  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.
  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.

Aug 24, 2009 | Texas Instruments TI-84 Plus 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

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

4 Answers

Screen fully black


Black-Screen/Black-Pixel Fix for TI-Calculator

This will erase all memory and reset defaults.

1. Remove 1 AAA Battery
2. Press and Hold 'ON' for 30 seconds
3. Replace AAA Battery
4. Adjust Contrast to appropriate level

If this fails, try again with ALL Batteries removed including
the backup Lithium Battery.

If all else fails, try the following reset procedure:

1. Remove ALL Batteries (inc. Backup)
2. Let Calculator sit with no batteries for 2~4 hours.
3. Hold 'ON' for 30 seconds.
4. Replace all the batteries (May be good idea to use new batteries
just in case old ones were dead)
5. Turn on Calculator
6. Change Contrast to appropriate level

- Remember to use correct batteries or calculator may not work. The
correct batteries are Alkaline, Rechargable Batteries are TOO WEAK,
Heavy Duty batteries are TOO STRONG.

Oct 09, 2008 | Texas Instruments TI-89 Calculator

1 Answer

HELP!!


Well, in most calculators, the action of taking out the backup battery practically clears the whole thing. Memory, everything. I myself have a Ti-89 and have not yet experienced this problem, but I have on an older Ti-82 and removed the backup battery and the whole thing is dead now, or at least nothing happens when I turn it on, even after replacing the batteries again. If you still have the manual, I would check out the troubleshooting. If you don't have it, try to find it online. And if you have done both of these things, try getting hold of technical support through Texas Instruments.

Jan 30, 2008 | Texas Instruments TI-89 Calculator

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