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Posted on Mar 02, 2010
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Won't turn on. changed batteries and still nothing. worked fine yesterday

  • kakima May 11, 2010

    Are you sure it's not turning on, and not that the screen is too light?

    Try turning up the contrast. Turn on the calculator. Press and release the 2ND key. Press and hold the Up-arrow key for five seconds or so.

    Does that make any difference?

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  • Posted on Apr 14, 2010
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Click "ON" then click 2nd and then up. That will change your contrast. And if it is toDark Hit 2nd and Down

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  • Posted on Apr 09, 2010
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Apparently that did, judging from the lack of a response.

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