Question about Texas Instruments TI-89 Calculator

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Screen frozen calculator not responding to buttons pressed.

The calculator has become unresponsive to buttons being pressed, except 2nd function button(blue) and diamond button (green)

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  • enjacquez Apr 23, 2009

    frozen calculator not responding to buttons pressed except the 2nd and alpha buttons

  • Anonymous May 01, 2009

    same as above!! No button works except 2nd function

  • Anonymous Mar 13, 2014

    My calculator will not calculate Ln. When I press enter it just says what I typed in. This is the same for division.

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Give it a factory reset, this works, you will lose any unarchived data : http://www.associatedcontent.com/video/265/how_to_reset_a_texas_instruments_ti89.html?cat=59

Posted on Sep 03, 2008

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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

Is there a key lock? Nothing is responding when the buttons are pushed.


TI calculators have an annoying habit of dimming the screen, especially 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. Does it?

Feb 10, 2011 | Texas Instruments TI-84 Plus Silver...

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Will not turn on. We have changed all the batteries and still nothing.


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 this doesn't do it, press and hold the 2ND, left-arrow, and right arrow keys, then press and release the ON key.

If that doesn't do it, please respond to this post and we'll go on from there.

Sep 14, 2010 | Texas Instruments TI-89 Calculator

1 Answer

I have a TI-84 plus silver edition. there was a notice on my screen saying that batteries were low. I replaced them, and when I turned it back on, the RAM was cleared, but the screen acted like it was...


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 isn't it, then remove all four AAA batteries. Press and hold the ON key for ten seconds. Replace the batteries and turn the calculator on. (You may have to adjust the contrast as described above.)

Aug 31, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

Screen is frozen


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 29, 2010 | Texas Instruments TI-89 Calculator

1 Answer

I changed the triple a batteries only and wont turn on? Also where is the second buttonn it says to hold for five seconds after you push the on button?


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.

The 2nd key is the blue key on the far left below the function keys marked 2nd, above ALPHA and left of MODE.

Mar 15, 2010 | Texas Instruments TI-82 Calculator

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My ti - 83 hasn't been used in a while, placed new batteries in it and all i get is dark screen.....it won't even turn off......there is just a dark screen......any ideas what causing this and how to fix...


The most probable cause (at least I hope so) is that the screen got too dark after you changed the batteries. It is a common occurrence: Screen becomes too dark or too light.
To adjust the screen contrast:
  1. Press ^2nd key and release it.
  2. Press and HOLD the DownArrow key until screen lightens to your taste.

Mar 09, 2010 | Texas Instruments TI-83 Plus Calculator

2 Answers

My ti82 will not turn on. i have changed batteries


TI calculators have an annoying habit of dimming the screen when batteries are changed. Turn the calculator on (or at least press and release the ON button). Press and release the 2ND button. Press and hold the up-arrow button for five seconds or so until the screen becomes visible.

If this doesn't fix it, please post a comment and we'll go on from there.

Mar 06, 2010 | Texas Instruments TI-82 Calculator

1 Answer

All buttons on my TI 84 are frozen


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 at all. 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.

Nov 01, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

TI-84 Plus: Calculator Unresponsive


Try pressing the "On" button a couple times. That should work

Oct 27, 2007 | Texas Instruments TI-84 Plus Calculator

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