Question about Texas Instruments TI-86 Calculator

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My screen is black and it is not the contrast. pressing 2nd and the up arrow does not fix it?? any ideas?

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The TI86 has a Screen Issue.
most of them have this problem and the missing lines problem
sometimes its electronic problem on the mainboard
if you want to fix the unit let me know

ecrdn@yahoo.com

Jack

Posted on Oct 13, 2010

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Posted on Jan 02, 2017

  • 7993 Answers

SOURCE: When [ON] is pressed, the screen appears black

Here are some other diagnostics.

I am inserting a copy of an earlier post to a question similar to yours. Please read the post till the end.

A Try this before thinking of repairs.

  1. Push the ON button.
  2. Even if you see nothing, press the [2nd] key and release it.
  3. Press and HOLD the UpArrow key until the screen darkens.
  4. You may have to keep pressing UpArrow for a little while before you see anything.
B If that does not work
  1. Remove one of the AAA batteries.
  2. Press and hold the [CLEAR] key.
  3. While holding [CLEAR], reinsert the AAA battery and then
  4. turn the calculator on.
  5. The calculator should display the message "RAM Cleared".
  6. Release the [CLEAR] key and then press it one more time to remove the message "RAM Cleared".
C. Third option
  1. Remove batteries including the backup battery for 5minutes.
  2. After the 5 minute period, reinsert all of the batteries and
  3. turn the calculator on.
  4. Adjust the contrast if necessary.
D. Last option

The last option requires the reinstallation of the system. So to use it you must download the TIConnect 1.6 software from education.ti.com. You must have the TI USB SilverLink or the TI Black serial cable ready.You must be connected to the Internet.
  1. Remove one of the AAA batteries.
  2. Press and hold the [DEL] key.
  3. While holding [DEL], reinsert the AAA battery and then
  4. turn the calculator on.
  5. The calculator should display "Waiting...Please install calculator software now".
  6. Connect the TI Connectivity cable between the computer and the calculator.
  7. Click on Start >> Programs >> TI Tools >> TI Connect >> TI OS Downloader.
  8. Follow the on-screen directions to reinstall the calculator's OS.
If the message "Error! Press any key to turn unit off. Then turn unit back on." appears on the graphing calculator, quickly, remove one battery from the calculator and reinstall it while the transfer is taking place.

You have several ways to connect the calculator
  • Serial Black cable that used to ship with the TI 83 Plus. It connects to a serial port on a computer and to the I/O port on the calculator. It requires the Graph Link software available on the TI web site (Downloads, Software and Apps, Connectivity)
  • USB Silver Link cable. It connects a USB port on the computer to the the I/O port on the calculator. It requires the TI connectivity software, also available on the TI Web site.
  • A USB mini A to mini B cable to connect two units.
  • An I/O cable to connect two calculators through their I/O ports.

Posted on Jan 16, 2010

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1 Answer

Black screen


Try adjusting the contrast. Turn the calculator on, press and release the 2ND key, then press and hold the down-arrow until the screen lightens. If you go too far, press and release the 2ND key then press and hold the up-arrow key.

Sep 06, 2013 | Texas Instruments TI-83 Plus Calculator

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Why is my TI-83 screen black?


If you cannot see anything on the screen, the contrast may need to
be adjusted.
To darken the screen, press 2nd and release, and then press and
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To lighten the screen, press and release 2nd, and then press and
hold down arrow until the display is sufficiently light
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Apr 15, 2013 | Texas Instruments TI-83 Plus Calculator

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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, use the 2nd and up-arrow keys to darken it.

Aug 08, 2012 | Texas Instruments TI-81 Calculator

1 Answer

Everytime i turn my calculator on the screen is black it's a like a black rectangle. how can i fix this and get my calcualtor working normally again?


Adjust the screen contrast. Turn the calculator on. Press and release the 2ND key. Press and hold the down-arrow key for a few seconds to lighten the screen. If you go too far, repeat the process using the 2ND and up-arrow keys.

Dec 09, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

I've replace battiers in my TI-85 and now when I turn it on there is a black screen. I can turn off. What do I do to clear screen?


After battery replacement, the screen contrast is liable to change: It may be too dark (your current case) or too light. You must adjust the contrast.
  1. Press [2nd] key and release it.
  2. Press an d HOLD one one of the navigation arrows
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Keep pressing the relevant arrow key until the contrast is adequate.

Jan 25, 2010 | Texas Instruments Office Equipment &...

2 Answers

When I turn the calculator on, I get a black screen. It won't go away.


Most likely the screen contrast is too high. Try to lighten screen
Press [2nd] key and release it
Press and Hold [DownArrow] until screen lightens to your liking.

As you keep pressing DownArrow, the top right corner shows a number that decreases as the screen lightens.

Dec 15, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

My screen is black and it wont go away how do i fix it?


Hi,
The screen contrast of the TI83Plus/TI84Plus/TI84PLUS SE can be adjusted to suit the user. Sometimes after the batterie have been replaced the screen contrast is reset to the factory defaults.
To adjust it to your liking.
  1. Press the [2nd] key and release it.
  2. Press and hold the Down Arrow key to lighten the screen or the UP arrow to darken it.
In your case, the screen is too dark, so in step 2 above you press and hold the Down arrow until the screen lightens enough.
Hope it helps.

Nov 02, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Calculator turns on, however the screen is black --


It could be that the contrast has been darkened. After you turn the calculator on, press the 2nd button ahd then the down arrow. This will dime the contrast. Pressing the 2nd button and the up arrow will darkent the screen. Hope this helps.

Oct 02, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

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.

Aug 29, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Screen not displaying whole letters because of horizontal and vertical lines


I've had the same problem. A temporary fix that I have found is to turn up the contrast all the way (press [2nd] then hold down the up arrow) until the screen becomes mostly black. Then turn the contrast back down (press [2nd] then hold down the down arrow) until it is at a normal level. If you can get rid of all the white lines when you turn up the contrast the screen will be back to normal. Unfortunately this does not permanently fix the problem because I cannot get rid of all the lines and it seems to be getting progressively worse each time it start up the calculator.

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