Question about Texas Instruments TI-86 Calculator

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The backup battery went dead and I replaced all the batteries, No response to the on button, Bob E

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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.

Posted on Sep 28, 2010

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1 Answer

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1 Answer

Unit went dead and then replugged in and then worked...


It would appear that you need to replace the battery on this unit
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