HP's fault first keyboard

My calculator has what looks like a keyboard failure. When I press 6 or 7, 76 still appears on the screen. The same phenomenon occurs when I use either the keys "times" or "divide".

Keyboard test shows two key when one or the other.

Hello

It may be a problem of software or a hardware problem. You can first try resetting the calculator. There are several ways to reset the calculator:

What follows is a simple warmstart, retrieves the keyboard control, restores most of the RAM to the State in which he was stopped last, losing so eventually changes made at this session:

  • On-Symb key

Or

  • Reset hole (back of unit)

The following clears most of the memory, but it retains a few basic things (e.g. name of calculator, color theme, language):

  • ESC + Apps + we

The following text always resets the calculator to new factory:

  1. Press in and hold the three keys with the letters C, F and O (non-zero).
  2. And now their all downstairs, poke a paperclip in the RESET hole in the back.
  3. When the diagnostic screen appears, release the keys C, F and O.
  4. Press 4, then 3, then enter.  He will wipe away the memory of the new plant calculator.
  5. When the blue OK is displayed, press ESC, and then 9.
  6. It usually ends with the initial installation, including hitting swiping the tiny HP logo with your finger to the right, by selecting the language by default, or other things, according to the versions of your hardware and firmware.

If none of the above resolves the problem , then it might be a hardware problem - contact support of HP calculators for your country.

Kind regards.

Tags: HP Tablets

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