Question about Texas Instruments TI-85 Calculator

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I turn on the ti-85 and the screen is black how do i fix the contrast

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Page 1-3 of this manual discusses adjusting the contrast of TI-85.
http://education.ti.com/downloads/guidebooks/graphing/85/85book-eng.pdf

Posted on Oct 02, 2009

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We put new batteries in the TI-85 but the screen is now black and it is very difficult to read.


Adjust the contrast. Turn the calculator on. Press and release the 2nd key. Press and hold the down-arrow for a few seconds key until the screen lightens. Obviously, if you go too far, press and release the 2nd key and then press and hold the up-arrow key.

Sep 18, 2010 | Texas Instruments TI-85 Calculator

1 Answer

How do I fix the contrast on a ti 85 Calculator


Turn the calculator on. Press and release the 2ND key. Press and hold the up-arrow key to increase or the down-arrow key to decrease the contrast.

Jul 01, 2010 | Texas Instruments TI-85 Calculator

1 Answer

How do you set the contrast on the TI-85? My


turn the TI-85 on and then hit the yellow "2nd" button and then down arrow. This may take several repeats. If it gets too light hit "2nd" and Up arrow.

May 12, 2010 | Texas Instruments TI-85 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
  • Down arrow to lighten screen (your current case)
  • Up Arrow to darken.
Keep pressing the relevant arrow key until the contrast is adequate.

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

1 Answer

Black screen on TI-85 after changing batteries


You can increase the contrast by pressing and releasing the 2ND key, then pressing and holding the UP key. To decrease the contrast, use the DOWN key.

Oct 21, 2009 | Texas Instruments TI-85 Calculator

1 Answer

Screen color


It's not a color screen so no, you can't change the color. You can, however, change the contrast. Press and release the 2ND key, then press and hold the up-arrow to increase or down-arrow to decrease the contrast.

Sep 23, 2009 | Texas Instruments TI-85 Calculator

1 Answer

TI 85 doesn,t turn on. I didn't use the calculator for a year. Please help !


Assuming good batteries, both AAA and the Memory CR 1616, then most often a screen contrast problem. Push ON, Then 2nd button (yellow Key) , then UP arrow, then either UP or Down arrow
to set your contrast. Good Luck, Calculator should show the screen calculations now, so you can tell if it is on or not.............Not that it wasn't working, you just couldn't see it working or coming on......

Apr 10, 2009 | Texas Instruments TI-85 Calculator

1 Answer

My TI-85 will not come on


Screen contrast problem. When the calculator lost power the contrast was reset to zero.
If new batteries, both AAA and Memory battery CR 1616, then press ON, then 2nd (yellow
Key), then UP arrow, More UP arrow if desired contrast is needed more. You should see the
display or screen effectively. It is not that it would not turn on, it was just that you couldn't
see the display, it was set too low for observation............................It was on just couldn't see it.......

Mar 26, 2009 | Texas Instruments TI-85 Calculator

3 Answers

No image display on screen


heres a good one: BUY A NEW ONE!!!!!!
(i dunno)

Oct 16, 2007 | Texas Instruments TI-85 Calculator

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