Question about Texas Instruments TI-86 Calculator
My friend gave me a TI86 graphing calculator. Thinking it worked i turned it on, and i didnt come on. So i changed the batteries and now it still won turn on!!! What do i do??!!
The TI-86 will run without a backup battery, I had the same problem as you and then I remembered that the 86 unlike my 89ti has contrast settings that can be not visible. So take out your 86 press the on button, nothings will happen, then press the 2nd key and the up key. Repeat pressing the 2nd and up cursor over and over. I hope this helps you, pretty much all 86 problems can be fixed by yourself.
Posted on Nov 09, 2009
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.
Posted on Apr 24, 2009
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Posted on Jan 02, 2017
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