Question about Texas Instruments TI-84 Plus Calculator

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I changed the batteries in my ti-84 and it will not turn on.

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Double check that all the batteries are new, and that they are all completely in and in correctly. Also, it may be an issue of screen contrast. Hit the "2nd" button and then press and hold the up arrow. If you don't see anything, press "On" and try the same process again.

Posted on Jan 27, 2010

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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.


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The problem may be due a screen that is too light to see anything on it. Adjust the screen darkness.
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