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I have an external keyboard (Logitech K120, Windows Layout) connected to my notebook, running Windows 10, and since today I am facing problems when using shortcuts that involve Ctrl+Shift.

One concrete use-case that I have and struggle with is selecting whole words per short-cut, i.e. "Ctrl+Shift+Left or Right Arrow". On the built-in keyboard that works, on the external only with Ctrl+Shift on opposing ends of the keyboard.

Specifically, if I want to use them I have to use the keys on opposing sides of the keyboard.

The following do work, but in my opinion make for a very awkward hand-positioning:

  • "Left-Side Ctrl + Right-Side Shift + Arrow key"
  • "Right-Side Ctrl + Left-Side Shift + Arrow key"

The following combinations don't work:

  • "Left-Side Ctrl + Left-Side Shift + Arrow key"
  • "Right-Side Ctrl + Right-Side Shift + Arrow key"

I checked the following scenarios which all worked fine:

  • Try the shortcuts on the built-in keyboard of the notebook
  • Try the keyboard on another computer
  • Try another keyboard on the notebook

Therefore I assume, that it is a driver issue. But uninstalling the keyboard via the device manager did not work.

The problem coincides with two things: On the notebook an update of the MS Office Suite to Office 365 took place and the keyboard was attached to a Mac. I somehow doubt, that this actually has to do anything with each other, but maybe it is useful information.

I would be really glad for any kind of information how this problem could be solved. Thank you.

Christian
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1 Answers1

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I managed to solve this problem myself and maybe the solution (though, nobody could have given it to me here, because I didn't realize nor mentioned that this actually changed) will help somebody, that will stumble over the same issue.

The keyboard is attached to the computer via a kvm-switch that has 4 USB-sockets, two of which are marked USB-2.0 and the other two as K/M for keyboard and mouse (I don't know what this means in terms of a USB version, probably something older).

Apparently, earlier the keyboard was attached to one of the USB-2.0 sockets but then I mixed it up and attached it to the K/M-sockets but they seem to have caused the problem.

After attaching the keyboard back to the USB-2.0 socket everything works fine now.

Christian
  • 131