Question about Texas Instruments TI-84 Plus Calculator

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I accidentally dimmed my display screen, how do I fix it?

I accidentally dimmed my display screen pressing the arrow buttons.  How do I undo this?

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Hold the 2nd function button down while pressing the up arrow to darken the screen, alternatively hold the down button to brighten.

Posted on Nov 13, 2008

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Adjust screen brightness

Turn the calculator on, press and hold the 2nd button, then press the up-arrow button to increase the contrast or the down-arrow button to decrease the contrast. If you go too far, release both buttons, press and hold the 2nd button, and press the appropriate arrow button.

Sep 30, 2013 | Texas Instruments TI-82 Calculator

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My calculator won't turn on the batteries are fresh plz help

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 it?

Feb 13, 2013 | Office Equipment & Supplies

1 Answer

I held the down and 2nd button now i cant see my screen how do i undo it?

Press the [2nd] key and release it. Press the Up Arrow and hold pressure. As you do that the screen will darken. Release the Up Arrow when screen contrast is to your liking.

Aug 22, 2012 | Texas Instruments TI-83 Plus Calculator

1 Answer

My TI 83 Plus does not turn on. I have replaced the batteries and the backup battery. I have tried all the troubleshooting solutions given but still it does not turn on. What can I do now?

The screen may be too dim to read. Sometimes when the batteries are low, the screen automatically dims itself. The problem is, it doesn't undo that when the batteries are replaced. Try pressing 2ND->Up arrow key repeatedly while the calculator is turned on and the screen should start to darken so that you can read it.

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

1 Answer

Fx-300ES Calculator will only operate in very bright light. Is this indicating that the battery is not functioning? (Unit is only a few months old).

It is possible that the contrast is set too dim. If that is the case, you can make the display darker.
Press [SHIFT][MODE] to enter (SETUP)
When set up screen is displayed, use the DOWN Arrow to open the second page.
Press [6:<CONT>], then press the right arrow to darken display.

Apr 07, 2010 | Casio fx-300ES 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

I accidentally pressed the 2nd button and then the left side arrow button and now I have this black grid on my screen that I cant figure out how to get rid of if I tilt the screen I can see what I'm trying...

Displaying the grid on the screen is a graphing option accessed through the command GridOn. To turn the grid off, press [2nd][ZOOM] (FORMAT). Use down arrow to reach the 3rd line. Highlight GridOff and press [ENTER]. Press Graph to return to the graph screen.

How you activated the GridOn command by a single press of a button is a prowess. I wish you could teach me this legerdemain.

Hope it helps.

Nov 05, 2009 | Texas Instruments TI-83 Plus Calculator

2 Answers

Cannot graph invalid dim error

This error show up when you are graphing out of the plot menu. If you are not graphing data points from list menu, you need to turn the plots off. In the y= screen, you will see the words plot 1, plot 2, etc across the top of the screen. If one of the plots is highlighted (black box over the words), you need to turn it off. This can be done by arrowing up and highlighting the box and pressing enter. When you arrow back down, the plot should be off and you will be able to enter an equation in the y= lines and graph.

If you are graphing from the plot menu, this error lets you know that one of the lists you are graphing is longer than the other.

Another way to fix the problem is to reset the calculator by pressing 2nd button then plus sign then 7 then 1 then 2. This will reset the calculator however if you are graphing from lists, your data will be erased. Hope this helps.

Oct 02, 2009 | Texas Instruments TI-83 Plus Calculator

2 Answers

DIM SCREEN!!!!!!!!

Adjust the contrast by pressing and releasing the [2nd] key followed by pressing and releasing the up arrow; repeat as necessary. To adjust or lighten the display, use the down arrow.

Mar 19, 2008 | Texas Instruments TI-85 Calculator

1 Answer

Ti84 plus, screen problem

  1. Press and release the gold [2nd] button. Verify that the blinking up arrow appears in the display.
  2. Press and hold the blue up or down arrow key to increase or decrease contrast, until the display is to your liking. Be alert: the display will change quickly.
The calculator will remember your contrast setting; you don’t have to adjust it every time you turn the calculator on.

Mar 10, 2008 | Texas Instruments TI-84 Plus Calculator

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