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My keyboard is messing up. I can click on Z, X, C fine and I can press Ctrl + S to save file, Ctrl+Shift+D to duplicate line (in Atom) without any problem. All keys works fine.

But the strange thing is that I cannot use: Ctrl+Z to undo or Ctrl+C to copy or Ctrl+X to cut. It does not show any warning or error.

It does that in all IDEs, Browsers and text editors.

Even when I run top command in terminal I cannot use Ctrl+Z or Ctrl+C to stop it.

I tried to follow this but I got lost.

What can I do?

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    Can you edit to say if this is a laptop keyboard - and if so, what is the brand and model of the laptop - or if it is an external keyboard? – sourcejedi May 11 '19 at 14:05
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    The command stty sane in the linked answer only helps inside a terminal, it will not affect the browser. So the problem it fixes is not the problem you have (or at least not the only problem :-). – sourcejedi May 11 '19 at 14:09
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    It is probably quite difficult to work out your problem :-). What keyboard layout do you use - is it an American or British QWERTY layout, or something different? Are you able to try booting a Live media, what version is it and does it have the same problem? If you are dual-booting, do you have the same problem in Windows or not? – sourcejedi May 11 '19 at 14:13
  • At a guess I'd hazard that your keyboard definition doesn't match the actual keyboard you're using. – roaima May 11 '19 at 14:30
  • Did it used to work and now it stopped working, or has it never worked correctly on this install of Ubuntu? – sourcejedi May 11 '19 at 14:46
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I think my keybord is dead!.

just installed windows as dual boot and it's doing the same.

so let me just close the Q

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