Question about Texas Instruments TI-86 Calculator

3 Answers

TI 86- Texas instrument

Screen is black, unable to see anything. I tried to push some buttons but the screen is still black.

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  • mickeygirl08 Jul 08, 2008

    there really isnt much to add. my calculator worked one day, now it is just a black screen. won't do anything. going to replace backup batt tomorrow and hope thats the problem....will keep u updated

  • IRONMANedge Aug 22, 2008

    Dude! I totally had the same problem, but the solution offered was great! I had looked at other solutions, but they didn't tell me that I had to press the 2nd every time I wanted to go down. Thanks a lot buddy!

  • Oli_Oli Aug 26, 2008

    OMG THANK YOU SOOO SOOO MUCH

    i had borred my friends ti-86 and
    when school finished i forgot to return it. i ended up leaving the
    calculator in my car where the sun fried the battery.
    3 months
    later i brought new batteries and when it turned on i only saw black
    and i started to freak out thinking i had to buy a new one..

    ONCE again thanks for the solution

  • Anonymous Sep 02, 2008

    The screen is dark and I can hardly see anything. I have taken no steps to fix it. What do I do

  • irfanm13 Sep 05, 2008

    Hi i cant see anything on the calc screen. i changed battries.
    no avail, help please.





  • Anonymous Oct 05, 2008

    yea same things this is right it works

  • ppiyo88 Oct 05, 2008

    my calculator wont turn on. I changed the battery and all but it still wont turn on. PLEASE HELP!

  • ricky1985 Oct 16, 2008

    i got the same problem.when i tried to switch it on the screen is all black and i can hardly see the stuff on the screen.changed the batteries but nothing changed.what should i do?

  • accipiter Oct 23, 2008

    The screen on my TI 86 is black with a clear horizontal line in the middle. Pressing buttons wont help. What can I do?

  • compadretena Dec 14, 2008

    my calculator wont turn on. I changed the battery and all but it still wont turn on. PLEASE HELP!

  • Anonymous Jan 24, 2009

    Screen Black

  • Anonymous Jan 27, 2009

    its reall dark

  • Anonymous Apr 09, 2009

    Thank you so much. I was just about to buy a new one!!

  • Anonymous May 14, 2009

    Thank you soooo much for this posting... I was able to see the screen in seconds...after the calculator being tucked away for 10 years!!! You just saved me some cash..you rock :)

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OMG THANK YOU SOOO SOOO MUCH

i had borred my friends ti-86 and when school finished i forgot to return it. i ended up leaving the calculator in my car where the sun fried the battery.
3 months later i brought new batteries and when it turned on i only saw black and i started to freak out thinking i had to buy a new one..

ONCE again thanks for the solution

Posted on Aug 26, 2008

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This worked great - I love FixYa and you saved me some cash as well. Who reads manuals when you have a website like this. Thanks again

Posted on Aug 20, 2009

I had the same problem as this. This is because when you might have changed the contrast on your calculator when your old batteries were running low and you need to reset the contrast. Here is what you do:

press the orange "2nd" button, then press the "down arrow" button, then the orange "2nd" button, then the "down arrow". do not press the buttons at the same time only one after the other and KEEP GOING. The screen will eventually lighten up and you are all set.

Posted on Jul 24, 2008

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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.

Sep 05, 2014 | Texas Instruments TI-86 Calculator

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

I have a TI 86 calculator that I have not used in a few years. When I turned it on yesterday, the screen is mostly black and I can not see anything that is typed. I tried replacing the batteries but am...


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.

Jul 19, 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

Turned on ti 86 and have a black screen. I have replaced all of the batteries and still is black.


Whenever the screen is full and a line with calculation result comes up at the bottom of the screen, the screen all of a sudden shows things in a weird way and can't be read. By press "2nd+mode"(=quit), or try reset button (a small hole which a pin can only be used to press it to RESET. Gud Luck

Aug 25, 2010 | Texas Instruments TI-86 Calculator

1 Answer

My texas instruments ti-86 is dark all the time, help me please


Hi,
After changing the batteries the calculator is restored to factory defaults, but the screen contrast may change. The screen may be too light to see anything or., as in your case too dark.

To lighten screen
Press [2nd] key and release it.
Press and hold [DownArrow] until screen is light enough.

To darken screen
Press [2nd] key and release it.
Press and hold [UpArrow] until screen is dark enough.

Hope it helps.
Thank You for using FixYa and for rating the solution.

Dec 04, 2009 | Texas Instruments TI-86 Calculator

1 Answer

The screen is black i cant see any thing i replaced the batteries


this is a firmware problem and you may need to upgrade the software or have carrier do it.

Aug 27, 2009 | Texas Instruments TI-86 Calculator

1 Answer

Help me please


Hello,
Here is how you make graphics of functions on the TI 86. The screen captures are from the TI86 Manual by texas Instruments.
b8a0eb5.jpg 0cc2391.jpg 7006bdc.jpg 2c0fafb.jpg b05354e.jpg982863e.jpgc3e2550.jpgd571621.jpg9afa2ed.jpg 555ca14.jpg f04756b.jpg Chapter 6 oth the manual concerns Grpahic tools.

Hope it helps.

Sep 11, 2007 | Texas Instruments TI-86 Calculator

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