Question about Texas Instruments TI-89 Calculator

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My TI-89 is frozen is there any way of resetting it or anything I can do? It isn't the batteries.

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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, reset the calculator. Press and hold the lef-arrow, right-arrow, and 2ND keys, then press and release the ON key.

If that doesn't do it, remove one of the four AAA batteries. Press and hold the ) and (-) keys while replacing the battery. Continue to hold the two keys down for at least five seconds before releasing them.

Posted on Aug 30, 2010

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Posted on Jan 02, 2017

SOURCE: Ti-89 calculator problem

try hitting 2nd + left + right + on... worked for mine

Posted on Feb 03, 2008

onomou
  • 24 Answers

SOURCE: TI 89 problem

Try doing a hard reset (hold simultaneously Left + Right + 2nd + On). If it just isn't wanting to display properly, but does turn on, that might help. I think you can do the same thing by taking the four AAA's out and the spare CR1616/CR1620. Otherwise, the battery acid probably ate one of your components and it's time to repair/replace your handy-dandy.

Posted on Oct 03, 2009

  • 102366 Answers

SOURCE: TI-89 frozen disolay

Here's the procedure for a hard reset. Be aware that it will clear all RAM.

1. Press and hold the left-arrow, right-arrow, and 2nd keys.

2. Press and release the ON key.

Posted on Jan 16, 2010

  • 7993 Answers

SOURCE: my ti-89 titanium is frozen. the top bar on the

This error is due to 3rd-party software not compatible with the Operating sytem. The software is trying to access a memory address (location) reserved for the OS or for an application.

To correct it:

The following procedure will completely reset the calculator. Note that this will erase the memory of the calculator and restore all manufacturer's defaults.

• Hold down the following keys [2nd] [<] and [>] (right and left arrow keys)
• Press [ON]
• Release all the keys at the same time
• Adjust the contrast, if necessary.

Posted on Feb 03, 2010

  • 102366 Answers

SOURCE: how do i unfreeze my ti-89 screen

A hard reset will clear all RAM:

Press and hold the left-arrow, right-arrow, and 2ND keys. Then press and release the ON key.

If that doesn't do it, this process will clear all RAM and flash ROM:

Remove one of the four AAA batteries. Press and hold the (-) and ) keys. Reinstall the battery. Continue to hold down the (-) and ) keys for five seconds before releasing.

Posted on Apr 26, 2010

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1 Answer

TI-89 Titanium completely frozen (Tried all reset methods)


Press left and right arrow and 2nd keys simultaneosly, hold it and then press ON. Release all keys at the same time and you will reset TI 89 Titanium.
Or, type diamond key simultaneosly with + or -
(plus or minus) key to resolve dark screen.

Jun 01, 2017 | Texas Instruments TI-89 Calculator

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

TI-89 Titanium screen frozen at apps menu


Remove the small memory battery, and then remove one of the four AAA batteries, then while holding down the APPS button reinstall the AAA battery and then it should say waiting to recieve operating system then hook it up to your computer with the silver connect cable and then on the computer send the operating system to the TI89 Titanium, and wait for it to install completely and it should work.

Sep 12, 2012 | Texas Instruments TI-89 Calculator

1 Answer

Hello, my name is Lucas Matthews and I have a TI-89 that is frozen. The home screen is frozen and wont change. I have tried taking out the batteries and replacing them. Also, I have tried holding the ON...


There is a backup battery hidden under a cover in the battery compartment. Try removing all the batteries, including that one. Wait a little while, then put them back in. While you're waiting, apparently dust in the usb connector can cause problems. I don't know why, but it can't hurt to clean it out if it's dirty. If that fails, you can plug it into your computer, download the necessary software from the TI website, and reinstall the OS. If all that doesn't work, there might be a hardware problem.

Mar 02, 2011 | Texas Instruments TI-89 Calculator

1 Answer

My ti-89 screen is frozen and wont accept input


Remove the batteries and wait a minute or two. Put them back in and turn the calc back on and it should function normally. Check for stuck buttons as well, as sometimes they will cause the calc to appear "frozen".

Sep 30, 2010 | Texas Instruments TI-89 Calculator

1 Answer

How do i unfreeze my ti-89 screen


A hard reset will clear all RAM:

Press and hold the left-arrow, right-arrow, and 2ND keys. Then press and release the ON key.

If that doesn't do it, this process will clear all RAM and flash ROM:

Remove one of the four AAA batteries. Press and hold the (-) and ) keys. Reinstall the battery. Continue to hold down the (-) and ) keys for five seconds before releasing.

Apr 25, 2010 | Texas Instruments TI-89 Calculator

1 Answer

TI-89 frozen disolay


Here's the procedure for a hard reset. Be aware that it will clear all RAM.

1. Press and hold the left-arrow, right-arrow, and 2nd keys.

2. Press and release the ON key.

Dec 07, 2009 | Texas Instruments TI-89 Calculator

1 Answer

My TI-89 Titanium is frozen on a table setup window, and i can't do anything to get out of the screen. when i push any button, the cursor will blink once, but nothing happens or changes... Is this fixable?


This might be fixable - first try 2nd + On or Diamond + On. If those don't fix it, you'll need to reset your calculator. The quickest way is to pop a battery out of the back and put it back in. It also works to press Left + Right + 2nd + On all at once. There's a good chance you will lose anything unarchived with the latter method, so do the battery first.

Sep 24, 2009 | Texas Instruments TI-89 Calculator

7 Answers

TI-89 Titanium (hardcore reset)?


Hey guys,

Do this it will reset your calc and get you out of your busy state

2nd - left arrow - right arrow - on

It will reset your calc no matter how frozen it is.

Nov 16, 2007 | Texas Instruments TI-89 Calculator

1 Answer

TI 89 problem


Try doing a hard reset (hold simultaneously Left + Right + 2nd + On). If it just isn't wanting to display properly, but does turn on, that might help. I think you can do the same thing by taking the four AAA's out and the spare CR1616/CR1620. Otherwise, the battery acid probably ate one of your components and it's time to repair/replace your handy-dandy.

Oct 26, 2007 | Texas Instruments TI-89 Calculator

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