Question about HP 49g+ Calculator

2 Answers

The calculator, hp49g+, will not turn on by pressing the "ON".

I bought an HP 49g+ calculator about two years ago. I don't use it very often, when I tried to press the "ON" key to turn it on, the calculator would not turn on.
Changing batteries did not help either.

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  • steve-00 Jan 12, 2009

    I have the same issue.

    If you do a reset 2 button command - it works but will not turn off again!

    [until a timeout period]



    Rgds

    Steve

  • GOLDENEAG70 Mar 29, 2009

    hp49g+, will not turn on by pressing the "ON"."

  • Anonymous Apr 03, 2009

    My "ON" button seems to have gone for good, doesn't works unless you press it really hard.

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2 Answers

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  • 7,987 Answers

Hello,

If batteries are fresh use a paper clip and insert it in the hole (reset) to the left of the serial number. Press gently.
Hope it helps.

Posted on Sep 10, 2009

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  • 1 Answer

Hi, if pressing on and F5 together immediately starts the selftest your keyboard is OK, but one of the capacitors on the HP49G PCB are broken. I replaced all three and the turn on/off problem was gone.

Hope this helps.

Joachim

Posted on Nov 20, 2009

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