Question about Texas Instruments TI-84 Plus Calculator

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Calculator not turning on!!

Tried changing batteries.....

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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. Does this do anything?

Posted on May 06, 2010

  • kakima May 17, 2010

    If that doesn't work, try this: Remove all four AAA batteries. Press and hold down the ON key for at least ten seconds. Replace the batteries. Does the calculator turn on and function normally (you may have to adjust the contrast as I specified in my original post)?

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Using a TI-84 Plus Silver Edition and the screen just went blank in the middle of a class. changed the batteries, didn't help. cleaned the connectors, didn't help. tried to change the resoluti


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.


What do you mean by "changed the resolution"?

Nov 15, 2012 | Texas Instruments TI-84 Plus Silver...

1 Answer

There's something wrong with my TI-83. When I'm typing up an equation it will randomly shut off. And when it's on it will have shown that the RAM was cleared. Now it sometimes takes like 5 presses of the...


Have you tried changing the batteries? I'd try that first thing. From your description, the problem sounds like you have low batteries. The RAM shouldn't clear itself when you turn the calculator on unless you tried to turn it on when the calculator didn't have any juice. The TI-83 has four AAA batteries and one CR1616 battery it uses for memory backup. The CR1616 isn't enough to power the calculator, just enough to keep your calculator from losing its RAM contents while the primary batteries are out. If you try to power the calculator on without primary batteries, the backup fails. However, the TI-8x line is usually pretty good about warning you when the batteries are low by displaying a big warning message when you turn it on about the batteries being low and a recommended change of batteries. It might not, though, so you really can't be sure until you try a fresh set of batteries. Good luck!

Apr 09, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

I haven't used my TI-83 Plus in a few years and now i need it. I changed the batteries and tried to turn it on. It won't turn on. I'm thinking maybe I need to change the back-up battery?


The backup battery is only to retain the contents of memory while you change the main batteries. It does not affect the operation of the calculator in any other way.

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, please reply to this post and we can go on from there.

Jan 29, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

Changed the four aaa batteries in myh ti84 but it still does not turn on. should i also try replacing the backup battery? thanks!!


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, please reply to this post and we can go on from there.

Nov 28, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

Calculator said battery low so put in 4 new batteries and does not turn on.


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, please reply to this post and we'll try to reset the calculator.

Nov 03, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

TI-84 Plus Silver Edt...unable to power up


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 work, try a hard reset. Remove one of the four AAA batteries. Press and hold the ON key. While holding down the ON key, replace the battery.

May 24, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

My TI-84 won't turn on. If I replace the


Remove all four AAA batteries. Press and hold down the ON key for at least ten seconds. Replace the batteries. Turn the calculator on.

May 15, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

The calculator will not turn on a TI 83 plus, batteries changed


You say you changed the batteries. Did you also change the back up battery? It's located in a little door with a screw right above the AAA batteries.

My students have come to me many times and have said that their calculator will not turn on. Most times it is that the contrast on the screen has been turned down and the calculator is turning on but the screen is too dim to see that it's on.

To check your contrast, turn the calculator on, press the 2nd key and the up arrow. This is how you darken the screen. You lighten the screen the same way but you use the down arrow instead.

Aug 23, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

Won't work at all


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.

Jan 28, 2009 | Texas Instruments TI-84 Plus Calculator

2 Answers

Ti-83 plus


try changing the back up battery also. This generally helps. The next time you change your batteries, change them one at a time. don't take them all out at once. This won't happen if you do it like that.

Jan 19, 2008 | Texas Instruments TI-83 Plus Silver...

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