Question about HP 32sII Calculator

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On/off button very hard to make function. Once

On/off button very hard to make function. Once machine is on everything else works fine except trying to turn it off or clear.

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  • 7,993 Answers

Hello,
To reduce the problem size by half, let it power down automatically, after a short peiod of idleness.
Hope it helps.

Posted on Oct 01, 2009

  • k24674 Oct 01, 2009

    read period.

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Depending on the function you are drawing, it is possible that the graph is out of range of the windows dimensions. Try Zooming out to see a bigger portion of the plane. If you know where the function intercepts one of the axes, you might want to center the graph around that point.

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If they are solar powered and if the power down button is not functionning I would not worry about them. Usually battery powered calculators have an automatic power down feature, and sometimes solar powered machines as well. The only free thing we get is the sun's energy. Maybe not the only one (oxygen).
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Switch on AND switch OFF


Hello,
.
You can reset the calculator:

Turn the back of the calculator towards you. Extract the top left rubber pad on the back of the calculator and use a paper clip to press the Reset button. If that does not restore the calculator to health, you should perform the dagnostic tests.

The following procedure valid for the 48G should work for the HP48GX.
Make the calculator perform a
Self test.
  1. Turn calculator on
  2. Press and HOLD the key [ON]
  3. Press and release the key with "E" to its right (the one before last in first row)
  4. Relaese the [ON] key.
It tests the RAM and ROM. You will see various patterns on screen. Afterwards you should see
IROM OK,
IRAM OK,
HP48GX OK
The self test will continue repeatedly until you perform a
System Halt
  1. Press and HOLD the [ON] key
  2. Press and release the "C" key
  3. Release the [ON] key.
The empty stack should appear.

If you do not see IROM OK and IRAM OK, the calculator requires service.

If the above procedure is successful, you may want
to test the keyboard.
  1. Turn calculator on
  2. Press and HOLD the [ON] key
  3. Press and release the "D" key.
  4. Release the [ON] key
  5. Press and release the "E" key. KBD 1 should appear on the top left corner of the screen.
  6. Starting at the upper left corner of the keyboard, and moving Left to right, press every key in sequence. If you follow the sequence and the keys are functioning properly you should hear a hight pitch sound at each press.
  7. If everything is OK, when you press the last key (+) the screen displays KBD 1 OK.
To exit the keyboard test proceed as described above under System Halt.

If you follow the proper sequence and a hexadecimal number appears after pressing a key, the calculator requires service.-

For repairs
There is an HP customer self repair (CSR) which you can contact. On the site it is sais that the service is available for products under warranty or on contract. but you have nothing to lose by contacting them. Here is the link to the web site

You can also try this site. They do repairs on most models, except the newer ones.

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3 Answers

None of my buttons work except the ON button


Sounds like a possible short to me, But I don't have experience with that cause I have yet to test my calc with water if you know what I mean... The one thing that I can suggest is trying to connect with another persons calc and try the "send OS" command to see if that will reset your calc to a working state. Sorry to hear about the damage though.

-Saik0Shinigami

Feb 06, 2008 | Texas Instruments TI-83 Plus Calculator

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