Question about Texas Instruments TI-86 Calculator

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Ti 86 will not turn on (I replaced the batteries).

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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.

Posted on Aug 23, 2010

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Posted on Jan 02, 2017

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SOURCE: TI 86

Hello,
If batteries are inserted correctly you can adjust the contrast
Press [2nd] key and release it
Press and hold [UPArrow] key to darken till contrast is dark enough.

To enlighten screen, do as above but use the [DownArrow] key.
Hope it helps.

Posted on Sep 23, 2009

  • 2 Answers

SOURCE: TI 86 No display screen

try this
http://education.ti.com/sites/US/downloads/pdf/TIGraphingCalculatorCare.pdf

Posted on Aug 08, 2008

  • 7993 Answers

SOURCE: IT-86 Both batteries removed, now dead

Hello,
Use the TIconnect or TIGraphlink software to reinstall the programs. You will find the programs in the TI Program archives.
ftp://ftp.ti.com/pub/graph-ti/calc-apps/86/.

Hope it helps

Posted on Sep 23, 2009

zcomputerwiz
  • 92 Answers

SOURCE: My TI 86 is 6 years old and I have taken careof it well.

Try pressing (lightly) on the bottom border below the screen. If there is no change, try the top. If there is still no change, the power for your LCD may have become disconnected or shorted. There are external displays for these calculators intended for overhead projectors. If your school has one, you could try hooking it up to make sure the calculator itself still works.

In either case, it would be better to purchase a new calculator.

Good Luck!

Posted on Feb 05, 2010

  • 102366 Answers

SOURCE: ti-86 screen turned black after

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, press and release the 2nd key and then press and hold the up-arrow key.

Posted on Sep 13, 2010

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1 Answer

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.

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My Ti-86 wont turn on after i change the batteries


This may sound silly but check that you put the batteries in the correct way round for (-) and (+)?

Feb 17, 2012 | Texas Instruments TI-86 Calculator

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I've had my ti-86 for a very long time & recently it just quit working. I changed the AAA batteries & the back up battery & it will not come back on. Please 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?

Dec 02, 2011 | Texas Instruments TI-86 Calculator

1 Answer

I've replaced all the batteries including the backup battery on my TI-86 and it still doesn't power on. I also tried adjusting the contrast.


It sounds like the calculator is broken. Well broken past the point where you can fix it by yourself. You can try contacting TI about the warranty.

Mar 05, 2011 | Texas Instruments TI-86 Calculator

1 Answer

Ti-86 screen turned black after replacing the batteries


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, press and release the 2nd key and then press and hold the up-arrow key.

Sep 13, 2010 | Texas Instruments TI-86 Calculator

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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

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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

1 Answer

IT-86 Both batteries removed, now dead


Hello,
Use the TIconnect or TIGraphlink software to reinstall the programs. You will find the programs in the TI Program archives.
ftp://ftp.ti.com/pub/graph-ti/calc-apps/86/.

Hope it helps

Jan 18, 2009 | Texas Instruments TI-86 Calculator

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