Question about Texas Instruments TI-89 Calculator

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Calculator is frozen

I was trying to load an assembly game on my calculator, the game started and then the screen said free up more RAM. I tried to exit and the screen went to the main apps menu and will not change. The cursor is frozen and taking out the batteries and putting them in had no effect. Everything is forzen except the clock which is still running. Please help in any way you can. thanks.

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Well, not a long time ago I have had a similar trouble regarding to my Texas Instruments Calculator Voyage 200. It was forzen too doing some calculus. Also, one friend had a similar problem regarding to the fozen calculator... I fixed it by reading in the manual that it can be reset!!!...There is a combination of keys that you can press to reset the calculator...this obligates the calculator to load the OS from the EPROM memory where is this basic sofware!!!... If I do not remember wrong the keys are: 2nd + Lock + on/off keys!!! But try to look for the manual and in some part of it is those key combination!!! Good Luck!

Posted on Nov 29, 2006

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Keep the on key pushed while you take out a battery and then put it again. iy fix your problem!

Posted on Feb 04, 2007

  • kenyanbred Dec 15, 2010

    It worked Thanksss Soo much!

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For a long time, I was resetting my calculator (TI-89 Titanium) upon encountering an assembly-program error, by taking out all the alkaline (AAA) batteries, replacing them with a single, almost dead battery, taking out the backup battery, putting it back in place, and then putting the good alkaline batteries back in. Recently, however, I found out about another method, which is much less involved (for one thing, it doesn't require a screwdriver, unlike my previous method, for which one is required in order to remove the battery cover for the backup battery, as the battery cover is screwed down). After some searching, I found in TI's official guidebook for my calculator (Part 2, the electronic version of the guidebook) where it says exactly what to do if the "TI-89 Titanium appears to be 'locked up' and will not respond to keyboard input. "The following action clears RAM. This erases all [unarchived] data, programs, and user-defined variables, functions, or folders. "Press and hold [left arrow key], [right arrow key], and [Second key]. Then press and release [ON]. "The following action clears RAM _and_ Flash ROM. This erases all data, programs, user-defined variables, functions, folders, Flash applications, and the user data archive. "1. Remove one of the four AAA batteries. "2. Press and hold [(-)] and [)] as you reinstall the battery. "3. Continue holding [(-)] and [)] for five seconds before releasing." (From page 952 in Appendix B: Technical Reference)

Posted on Jun 12, 2007

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Calculator is frozen

Posted on Aug 28, 2010

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Posted on Jan 02, 2017

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Same as last time


Be reasonable in what you say especially when you seem to infer a blinding truth. If your screen were broken you would not be able to "FIX" it through a connection to another calculator.
I know. Sooner or later you will post another similar question so better learn what the real problem is.
Casino swamps your memory and messes up you calculator. If no more memory is available you cannot get any response from any key.

Play Casino as much as you want. Stop the game before you win that fateful 120000 dollars. Reset the Ram and play again.
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Hey soccerman
don't worry man, It's probably just frozen. So try hitting on. This MIGHT break the garage. Do what ever you have to do to try to get it to stop. I can't say how important it is to try to get it to make it stop. If you take out the batteries it will stop but if it's truly frozen it's likely it might come back to the same screen then you will be royally SCREWED. so if you get it back to the normal screen you need to try to get rid of some stuff.
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