Question about Texas Instruments TI-89 Calculator

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My ti-89 calculator's screen is frozen - Texas Instruments TI-89 Calculator

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  • kakima Sep 14, 2010

    May I assume the 2ND/left/right combination didn't work?

    Remove one of the AAA batteries. Press and hold the (-) and ) keys as you replace the battery. Continue to hold the (-) and ) keys for five seconds before releasing.

    Does that do anything?

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Having gone over a month without a response to my query, I assume the suggested hard reset solved the problem.

Posted on Oct 20, 2010

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  • sam Oct 28, 2010

    DUDE! You brought my TI-89 titanium back from the grave after 5 months!! I had even bought another one to replace the supposedly "broken" one. Where did you find this information? and also any ideas as to why it froze in the first place?

  • kakima Oct 28, 2010

    There's a lot of reasons the calculator can freeze up. A bad program, static discharge, whatever. As to where I found the information, I looked in the manual.

  • garynewme Nov 09, 2010

    i can't seem to unfreeze mine with your directions though. which keys? which page of the manual?

  • kakima Nov 09, 2010

    Gary, I don't know what edition of the manual you have, but in my copy the "In Case of Difficulty" section of Appendix B begins on page 951.

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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.

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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

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


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.

Aug 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

Ti 89 detected but couldn't get status


Hello,
Here is what the FAQ and Knowledge Base area of the TI site has to say about the problem you are having. Hope it helps.

How do I correct the error message "TI-83 Plus or TI-89 detected, but could not get status" using the TI Connect software for Windows®?

The Operating System (OS) will need to be updated on the TI-83 Plus family or TI-89 calculator in order for the TI Connect software to detect the status. Try the following procedure to install the OS from the TI-83 Plus and TI-89 Boot Screen. Make sure TI Connect 1.6 is installed on the PC.

If using a TI-89 calculator:
• Connect the TI Connectivity cable to the TI-89 calculator and the computer.
• Do not start the TI Connect software.
• Download the TI-89 v2.09 OS onto the PC's desktop.
**Force the TI-89 into the "Boot screen" (see instructions below)**
• "Press I to install..." (press the [9] key).
• Click on Start >> Programs >> TI Tools >> TI Connect >> TI OSDownloader.
• Follow the on-screen directions to install OS version 2.09.
The download should begin.
**Steps for Boot Screen:**
• Take one AAA battery out, press and hold down the [APPS] key while reinserting the battery to force device into the Boot Code screen.
• "Press I to install..." will appear.
Once the OS has completed installation, the TI Connect software will be able to detect the TI-89.

Oct 31, 2009 | Texas Instruments TI-89 Calculator

1 Answer

Screen frozen


Hello,
When you turn the machine down, it rests where you left it, in the state you left it: In case you wanted to continue with the same program, what you have already accomplished will not be lost.

After you turn it on, Press [2nd][QUIT] or just press the [HOME] button, and it will take you home.

Hope it helps

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when i hit 2nd+left+right+on then i saw 'installation in progress' on skin. what i have to do? please help me.

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