Question about Texas Instruments TI-85 Calculator

3 Answers

No image display on screen

I turn on my TI-85 calculator and there was no image. I tried changing the batteries but still no luck. I can't do without my TI-85 PLEASE HELP!!!!

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3 Answers

^ means up

Posted on Feb 02, 2008

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Try turning up the contrast. [2nd] [^]

Posted on Feb 02, 2008

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

Posted on Jan 24, 2008

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1 Answer

My ti-85 won't turn on


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.

If this doesn't fix it, please reply to this post and we can go on from there.

Jan 02, 2011 | Texas Instruments TI-85 Calculator

1 Answer

I can't turn my ti 85 on


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.

Dec 04, 2010 | Texas Instruments TI-85 Calculator

1 Answer

I have not used my TI-85 in 8 years. Inow it will not turn on. I put in fresh batteries. I stored it without batteries in it.


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.

Jun 30, 2010 | Texas Instruments TI-85 Calculator

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

TI-85 with new batteries will not turn on after not being used for awhile. I have checked the batteries and they are at full strength.


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 at all. 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.

Apr 05, 2009 | Texas Instruments TI-85 Calculator

3 Answers

TI 85 Screen is too dark


Press the 2nd key and the down arrow to lighten the screen.

Oct 06, 2007 | Texas Instruments TI-85 Calculator

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