Question about Texas Instruments TI-89 Calculator

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TI-89 won't turn on, even w/ new batteries

It's pretty new. I lent it to a friend and now it won't turn on, even when I put in new batteries.

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Try a hard reset:

Press and hold the 2ND, Left, and Right keys.
Press and release the ON key.

Be aware that this will clear all RAM.

Posted on Jan 18, 2010

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Posted on Oct 04, 2009

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Posted on Jan 02, 2017

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1 Answer

My TI-89 Titanium won't turn on!


A hard reset will clear all memory and should give you back control of the calculator.

1. Put the batteries in the calculator.

2. Press and hold left arrow, right arrow, and 2nd keys.

3. Press and release ON.

Jan 15, 2010 | Texas Instruments TI-89 Calculator

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When I turn the switch on, ti-89 titanium does not turn on.


If you connect calculator to computer using Ti connect device explorer you might be able to see what files are on the calculator. I don't know if you downloaded from the web but, 3rd party programs and shells tent to miss up the calculator. This would able you to delete out possible problems which could be re installed later.

Sep 22, 2009 | Texas Instruments TI-89 Calculator

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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

New, barely used 89 drains batteries quickly


Because the games programs are writen badly and are running even when the calculator is off. Battery life will be extended if you get rid of the games.

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1 Answer

Water damage


This is going to sound super dumb put leave it in a bowl of rice for a couple days. Rice will obsorbe the water. Also, change all five of the batteries(the 4 AAA ones and the back up battery). And if that doesn't work, you're pretty much out of luck. However, don't rush to the store and buy a new calculator. If you're in college or know someone that is in college, do what I do. Go to a math or sicence lab professor and ask them for a calculator at the end of the semester. I'm getting a new 89 pretty soon and i'm kinda excited. Good luck with your calculator

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Ti 89 Titanium Battery use


I have a regular TI-89 (HW2)...have had it for 6 or 7 years. Suddenly it's doing the same thing. I have to put new batteries in it every week or so. I even replaced the backup Li-Ion battery. I'm getting really tired of buying new batteries but don't want to go shell out 100+ for a new one.

Anyone have anything on this? I'm having trouble finding much on this...

Oct 01, 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

1 Answer

Ti-89 won't turn on


I had the same problem... This may sound really weird but I tried two sets of energizer batteries and pressed restart a lot.. nothing.. Then my friend pulled out her duracell from her calculator and they worked... Then we put the energizer in my other friends calculator and they also work... So yea try to put in duracell batteries and press restart.. Weirdest advice ever but it just worked for me...

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