Question about Texas Instruments TI-84 Plus Calculator

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No power with new batteries

Will not power on even with new batteries

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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 Jun 14, 2014

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