Uncontrolled keyboard-like input not coming from my keyboard


  1. Posts : 248
    Windows 10 Pro
       #1

    Uncontrolled keyboard-like input not coming from my keyboard


    I just had a problem occur for the second time in a few days. Some keyboard-like input was going into my computer, making it very difficult to exert much control. The input seems to have consisted of two tabs, two digits, a period, two digits, another tab and then "1S" or "2S", followed by a return. The digits seemed to be approximately 20 and the input sequence seemed to happen about once per second. I managed to save some of this sequence in Notepad. Does anyone recognise what might have been happening? Unplugging my keyboard did not stop the problem and the problem continued when I restarted my PC. I'm not actually sure how I managed to stop it - I was trying and failing to enter Safe mode when I noticed the problem seemed to have stopped. I've done an offline virus scan using Windows' built-in scanner and it didn't find anything.

    Is there something I can do to prepare for next time it happens that will help diagnose the problem? Programs become pretty unusable when fed this rubbish input.

    Code:
     19.94    1S
            20.00    1S
            20.06    1S
            19.88    1S
            20.06    1S
            20.06    1S
            19.94    1S
            20.00    1S
            20.00    2S
            20.06    2S
            19.94    2S
            20.00    2S
            20.06    2S
            20.13    2S
            20.13    2S
            20.00    2S
            20.06    2S
            19.88    2S
            19.88    2S
            20.06    2S
            20.13    2S
            19.94    2S
            20.00    2S
            19.94    2S
            20.13    2S
            19.94    2S
            20.06    2S
            19.94    2S
            20.13    2S
            19.94    2S
            19.88    2S
            20.19    2S
            19.88    2S
            20.06    2S
            20.13    2S
            20.00    2S
            19.94    2S
            20.19    2S
            20.00    2S
            20.06    2S
            20.00    2S
            20.13    2S
            20.00    2S
            20.00    2S
            19.94    2S
            20.19    2S
            20.06    2S
            20.00    2S
            20.00    2S
            20.06    2S
            20.13    2S
            19.94    2S
            20.13    2S
            20.13    2S
            20.13    2S
            20.00    2S
            20.00    2S
            20.06    2S
            20.06    2S
            20.13    2S
            20.13    2S
            20.13    2S
            20.13    2S
            20.06    2S
            20.06    2S
            19.94    2S
            20.25    2S
            20.13    2S
            20.13    2S
      My Computer

  2. FreeBooter's Avatar
    Posts : 4,351
    Windows 11 Pro 64-bit
       #2

    You may need to perform a clean boot state to find out if any one of the startup programs causing the problem.

    Perform a Clean Boot in Windows 10 to Troubleshoot Software Conflicts
      My Computer

  3. Pejole2165's Avatar
    Posts : 866
    Windows 10 Pro
       #3

    This looks very much like a polling rate, do you have custom keyboard or mouse software or some app that measures polling and logs it?
      My Computer


 

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