Question about Texas Instruments TI-89 Calculator

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TI-89 My screen is totally dark. The light/dark button doesnt work. I changed the batteries but the problem wasn't solved. I used the delet button and while it loads, the screen turns to the normal way and then it turns all dark again. What's a possibly problem ?

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Did you try [left][right][2nd][on]? It reinitializes the memory and clears the ram.

Posted on Jan 18, 2007

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Posted on Jan 02, 2017

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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

The screen on my TI-89 Titanium turned blue after replacing batteries? How do I fix this? It turns on and off but does not respond to any other buttons.


If you cannot see anything on the screen, you may need to adjust the graphing TI 89 Titanium calculator contrast :

1.To darken the screen, press and release 2nd key, and then press and hold up-arrow key until the display is sufficiently dark.

2. To lighten the screen, press and release 2nd key, and then press and hold down-arrow key until the display is sufficiently light.

Sep 01, 2012 | Texas Instruments TI-89 Calculator

1 Answer

There is always a blue line showed up in the middle of screen for my daughter's TI-89 Titanium calculator and froze other functions. Change battery does not solve the issue. Really need help. Billy


I think the blue line is generally unfix-able without replacing the screen, which costs as much as a new calculator. The freezing may be fixable, try taking out the triple A batteries and leaving the calculator to sit with them out for a minute or so, replace them and check if it's fixed. If that doesn't work you can do the same but take out the small button back up battery as well. If you're still not having luck you should call ti cares (800-842-2737) they're usually helpful.

Aug 06, 2011 | Texas Instruments TI-89 Calculator

2 Answers

I cant really read some of the options on the screen on my ti 89....the letters are so blurry......what can i do ?????


Hey shrestha,

I've never seen a calculator with display clarity problems.

The only option I could think to offer you is to attempt to adjust the contrast. However, I'm not sure whether or not your TI-89 actually has an option to change the contrast. Because I own a TI-89 Titanium - and although its a wonderful calculator - it does not allow the user to alter the darkness/brightness of the display.

Call Texas Instruments: 1-800-TI- CARES...They are pretty helpful with common questions like this.

Sayonara,



The Math Cheetah

Mar 13, 2011 | Texas Instruments TI-89 Calculator

1 Answer

My ti-89 will turn off randomly when i use it. I have changed the batteries multiple times and it still does this. sometimes it will turn back on with the previous screen if i hit the on button a couple of...


The calculator has an automatic power down (APD, a trademark of TI) feature that makes it turn itself off to save battery life. If you press the ON button, the last displayed screen is restored.

Feb 18, 2010 | Texas Instruments TI-89 Calculator

1 Answer

When i turn on the calculator i get a dark screen and when i try to adjust the con trast it doesnt change


this is what i think you mean, if i diss-understood you (thought you mean something else) im sorry, then i dont know what to do
thats when you set your ti 84+ screen to very dark. this is how to solve it:
go and open mirage OS, and then just press the "-" (minus) button. the screen should get lighter.

Nov 23, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

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

1 Answer

Screen Failure


Hello,
Here is what the TI knowledge base says about a calculator failing to turn on.

For the TI-Nspire™ Family:
  1. Remove thekeypad (for TI-Nspire) or the battery door (for TI-Nspire CAS) andremove at least 1 battery from each column of batteries. After 2-5seconds, reinsert the batteries and turn the unit on. This will causethe unit to reboot the operating system.
  2. Remove the keypad(for TI-Nspire) or the battery door (for TI-Nspire CAS) and remove atleast 1 battery from each column of batteries. After 2-5 seconds,reinsert the batteries and LEAVE THE UNIT OFF (do not turn on and thenback off). Hold down [Home] [Enter] [P], and while holdingthese keys, press [On]. The device will boot up as in the previousreset, but will display a menu with the following options. Please tryoptions 1, 2, 3, and 4 in that order. ** The [Home] key is located atthe top right of the TI-Nspire keypad and has a picture of a house onit.
Note:TI-Nspire family model options 2 and 4 above require that the OS be installed. The reset menu will only display if the unit is off and batteries have been removed/replaced as described above.

1. Cancel - The most non-intrusive reset option; no changes are made, the unit restarts.
2. Delete Operating System – The operating system will be deleted without deleting any documents.
3. Delete Document Folder Contents – This will delete the user’s documents, but will not delete the OS.
4. Complete Format – This will delete the OS and all documents for a total erase of memory.

Hope it helps you solve the problem.

Sep 16, 2009 | Texas Instruments TI-Nspire Graphic...

1 Answer

Loading Screen Freeze


  1. Remove the keypad (for TI-Nspire) or the battery door (forTI-Nspire CAS) and remove at least 1 battery from each column ofbatteries. After 2-5 seconds, reinsert the batteries and turn the uniton. This will cause the unit to reboot the operating system.
  2. Holddown [Home] [Enter] [P], and while holding these keys, press [On]. Thedevice will boot up as in the previous reset, but will display a menuwith the following options. Please try options 2, 3, and 4 in thatorder.

    1. Cancel - The most non-intrusive reset option; no changes are made, the unit restarts. 2. Delete Operating System – The operating system will be deleted without deleting any documents. 3. Delete Document Folder Contents – This will delete the user’s documents, but will not delete the OS. 4. Complete Format – This will delete the OS and all documents for a total erase of memory.
    Note: TI-Nspire family model options 2 and 4 above require that the OS be reinstalled. The reset menu will only display if the unit is off and batteries have been removed/replaced as described above.

Dec 21, 2008 | Texas Instruments TI-Nspire Graphic...

1 Answer

Darken screen!!!


reset your calc, press 2nd left right on simultaneously. it should work.

Apr 25, 2008 | Texas Instruments TI-89 Calculator

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