Question about Texas Instruments TI-83 Plus Calculator

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Dead Pixels? I have a bloch of dead pixels (scattered/dark blue) in the middle of my TI-83 Plus screen. Is there any manual method I can do with the keypad or maybe tweek some component inside? If not, where can I send my old, out-of-warranty calculator for the quickest, cheapest fix? Any direction would be helpful. Thank you

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Re: Dead Pixels?

I've heard that if you press on the dead pixels with your finger for a few seconds, sometimes they go away. I've also heard if you get a damp cloth, turn the screen off, press it on the dead pixels, turn the thing on, and remove the cloth, they might also go away.

Posted on Aug 09, 2007

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TI-83 have adjusted the brightness but can't type or see flashing indicator

If the screen is not busted, adjust the contrast without going all the way to totally dark or to totally blank. Calculators do occasionally become unusable (old age, mishandling).

Mar 01, 2014 | Texas Instruments TI-83 Plus Calculator

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There's a blank bar that runs horizontal in the middle of my TI-84 plus that's about 16 pixels wide(high?). It's the same color as when the device is turned off. I've tried a memory reset and no results....


It sounds as if you might have split screen mode on. I've got a TI-83 as well as a TI-89 Titanium, both offer a split screen mode. The latter allows for choosing which applications are displayed on each half screen. I am presuming that you may have accidentally put your TI-84 in this mode.

So, if it is a split screen deal then all you have to do is go to the mode screen, find the option for switching from split screen to full screen, and switch it back to full.

I hope that helps. Give us your results!


Mar 11, 2011 | Texas Instruments TI-84 Plus Silver...

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I have an old TI-83 and there are vertical lines across the screen which have dead pixels, I assume. Can this be repaired or do I have to buy a new one.

While someone skilled in electronics may be able to fix it with enough time, the cost in time and labor would far outweigh the cost of a new calculator.

Feb 28, 2011 | Texas Instruments TI-83 Plus Calculator

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Dead Pixels

Not much you can do about that, sorry. You could try to replace the screen but I would not suggest this without lots of electronic knowledge.

Dec 17, 2008 | Texas Instruments TI-84 Plus Calculator

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First time used in months

Check the batteries polarity.
Perhaps it needs a "reset", some calcs do have a "button" therefor, some do if you press the start button for some seconds.
Try to leave the calc overnight without any batt. inside.

Sep 19, 2008 | Texas Instruments TI-83 Plus Calculator

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Ti 83 plus problem



Turn the Calculator on
Alternate between hitting the "2nd" button and down arrow key. This will lower your contrast, and make it easier for you to see!

Jul 24, 2008 | Texas Instruments TI-83 Plus Calculator

1 Answer

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

Aug 14, 2007 | Texas Instruments TI-83 Plus Calculator

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