Question about Texas Instruments TI-86 Calculator

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I turn on my ti-86 and I only see a line

I haven't used for awhile I put in new batteries. The contrast works, but there is no cursor just a straight line.

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  • 3 Answers

Hold 2nd then hold down (might be up)

Posted on Sep 11, 2013

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Posted on Jan 02, 2017

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SOURCE: Calculator screen stratified black lines

I've had a similar problem in the past. With mine though it was white lines. It still happens sometimes when I don't use it for a while. To fix it, all I did was set the screen to its darkest setting and left it on for 10 minutes (keep it from turning itself off, by pushing buttons ever few minutes.) It works great, and the calculator is fine unless you leave it unused for a month or so. A similar solution may work for you.

Posted on May 12, 2007

  • 2 Answers

SOURCE: TI-83 screen is black

The "color" on your screen reset to dark. You can adjust it by pressing "2nd" and the "up" arrow (or "2nd" and "down" arrow) repeatedly.

Posted on Aug 30, 2009

  • 5 Answers

SOURCE: texas instruments ti-86 screen problem

The TI-86 uses a very small, very thin ribbon cable to connect the display board to the LCD. The cable is about 2.5 " wide and about 4" long, and is only slightly thicker than a piece of paper but has about 40+ leads buried inside. Over time the leads will break at the folds (there are at least two folds in this cable to fit it down inside the case). There is no cheap solution to fix this problem. You might have some "Mr. Fix-it" try to fix it, but he will tell you to throw it away after he renders it completely inoperable. The calculator uses two Torx bit screws at the bottom of the case (T-6 size) so you will have to get the correct screwdriver to open the case. Save your money, sanity and time and use it till you can't stand the missing lines and throw it out. Even the data cable looks like it is glued down so if it lifts off after being cooked or frozen a couple of dozen times in the back of your car you can't fix this.

Posted on Jan 20, 2010

  • 102366 Answers

SOURCE: Low screen display contrast

Adjust the display contrast by pressing and releasing the 2ND key, then pressing and holding the Up key to increase the contrast or the Down key to decrease the contrast.

Posted on Jan 23, 2010

  • 102366 Answers

SOURCE: 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.

Posted on May 17, 2010

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1 Answer

Still dark screen after trying to hold down the second key and then the down arrow


I got frustrated with mine so I started to press the 2nd, then releasing, then hitting the down arrow, and back and forth... and it worked! Please try this instead, it worked and I've been trying to use the hold and press this and that, but the alternating worked better!

Jan 09, 2012 | 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

1 Answer

My screen is black after putting in new batteries in my TI-86


Adjust the contrast. Turn the calculator on. Press and release the 2nd key. Press and hold the down-arrow key until the screen lightens. If you go too far, repeat the process using the up-arrow key instead of the down-arrow.

Aug 17, 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

2 Answers

Black screen


Try adjusting the contrast. It may be too dark. Turn the calculator on press the 2nd key and the down arrow. This is how to adjust the contrast and will lighten the screen. You can darken the screen the same way, but use the up arrow instead.

Aug 25, 2009 | Texas Instruments TI-86 Calculator

1 Answer

My TI-86 calculator doesn't have a cursor. I can turn it on and adjust the contrast from dark to light but no cursor appears and nothing comes up when I punch any of the buttons!


Hello,
Press [EXIT] or [2nd][QUIT] to terminate the program that may be hung in memory. Press [2nd] MEM[F3][F1][F4].
You may have to reset contrast.
1.Press and release [2nd] key.
2. Press and hold [UpArrow] to darken or press and hold [DownArrow] to lighten it.

Hope it helps.

Aug 15, 2009 | Texas Instruments TI-86 Calculator

2 Answers

A friend gave me a TI-86 graphing Calc. I wont turn on!!!


maybe try changing the small memory battery inside, I think its a cr1616 or cr1620. If this doesn't work use it as a paperweight.

Apr 23, 2009 | Texas Instruments TI-86 Calculator

2 Answers

Calculator screen stratified black lines


call the tech support # 972 644 5580, they man was very helpful and they walk you through troubleshooting

Jan 19, 2007 | Texas Instruments TI-86 Calculator

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