Question about Texas Instruments TI-84 Plus Calculator

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LCD screen will not change contrast

All of a sudden, the numbers on the LCD screen are very, very pale. I have tried looking in the manual and online both, and I've read that you need to press the 2nd key and the up botton in order to make it darker, and I have tried this and there is no change. I have also changed the batteries, and there was no change again. What could this be? Thank you!

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Re: LCD screen will not change contrast

Try replacing both the AAA batteries and the back-up batteries. This should probably fix the problem.

Posted on Aug 27, 2007

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When I turn the calculator on, I get a black screen. It won't go away.

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I am a teacher. I have about 10 calculators that

It has two batteries CR2032. They should not be removed at the same time. There must always be one battery in the calculator. The calculator should be turned OFF when changing batteries.

Often after you change batteries the screen contrast may be too light and you cannot see anything. The contrast can be adjusted (lightened or darkened). As you adjust the contrast setting,a highlighted number in the upper right corner changes to indicate the current contrast setting; 0 is the lightest, and 9 is the darkest.
To adjust the display contrast:
1. Press and release the [2nd] key.
2. Use one of two keys: (UpArrow or DownArrow)
--- To increase the contrast (darken), press and hold [UpArrow]
---To decrease the contrast (lighten), press and hold DownArrow

Hope it helps.
Thank you for using FixYa.

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The calculators screen is not fulling showing the


If it is too dark
Try reducing the contast as follows
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If it is too light increase contrast
To increase contrast Do the same but press [UpArrow] instead of [DownArrow]

Hope it helps

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The calculator will remember your contrast setting; you don’t have to adjust it every time you turn the calculator on.

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