Question about Texas Instruments TI-86 Calculator

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I have the TI 86 and the screen is hard to see without tipping it. I believe that the screen needs to be adjusted. How do you do it?

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You hold the second key and hit the up arrowkey to you're desired brightness

Posted on Dec 15, 2008

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How do I reset my TI-86 after a long period of no use.


Every time you change batteries this will happen to you. First press 2nd then press and hold the down arrow. Hold until their is no black in the background but you can still see the numbers on the screen.

Sep 05, 2014 | Texas Instruments TI-86 Calculator

1 Answer

I just purchased my ti-86 and when I turn it on all I get is a black screen .


Having gone over a month without a response to my query, I assume my suggested contrast adjustment solved the problem.

Apr 16, 2011 | Texas Instruments TI-86 Calculator

1 Answer

New batteries in my TI-86 the screen is black


Try adjusting the screen contrast. Turn the calculator on. Press and release the 2nd key. Press and hold the down-arrow key to lighten or the up-arrow key to darken the screen.

If this doesn't do it, please reply to this post and we can try something else.

Feb 11, 2011 | Texas Instruments TI-86 Calculator

1 Answer

When i turn my ti 86 on it just goes to a black screen and doesnt go away


Adjust the screen contrast. Turn the calculator on. Press and release the 2nd key. Press and hold the down-arrow key to lighten the screen. If you go too far, repeat the process with the 2nd and up--arrow keys.

Jan 11, 2011 | Texas Instruments TI-86 Calculator

1 Answer

My ti-86 screen is black is that normal. I have not used it in years, but i put fresh batteries


Hello, First of all no; it is not normal for your screen to be black. How can you enjoy the wonderfulness that is Ti with a dark screen. For the solution; it sounds like your contrast needs to be adjusted. Hold 2nd and down. The screen should lighten. If it reaches about where you can not see the cursor, then press 2nd and up and this will darken it. Hope this helps; Happy Calculating

Aug 27, 2010 | Texas Instruments TI-86 Calculator

2 Answers

I stop using my TI-86 for a few months and know


I hadn't used mine in years and had the same problem. Essentially you just need to give it a workout to get all the pixels working properly again and then it'll be just fine. I adjusted the contrast between full dark and nothing multiple times and turned the calculator on and off after each cycle and now it works like new.

Jul 06, 2010 | Texas Instruments TI-86 Calculator

1 Answer

Adjusting the ti-86 screen


First make sure the cable at the top of the screen is not pealing off near the edge, on the inside of the calcualtor. You may need to peal it off and reattach it, align the strip with the metal coating strips on the glass, you will see the strips when viewing the glass at an angle, but that is risky because you may not be able to reattach it. Next check the small square that says "8" on the back of the display board, you will see minature wires, make sure all the wires are lined up properly, if not thats a factory defect. Goodluck.

Feb 04, 2009 | Texas Instruments TI-86 Calculator

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