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Asked on Super User by Anton Wessel, 3 years ago. No reply there for at least a week.

In Kubuntu 22.04 suddenly keyboard gives wrong scancodes, how to repair without reboot?

On my TUXEDO Notebook BU1406 (N240BU) I have installed Kubuntu 22.04 LTS. And I have configured it to have under Konsole about 10 windows,in each a first-level shell bash for user kubuntu and a second-level bash for user root. I do not use the GUI desktop but always the terminal emulator. This is yet running in Try modus since I was not able to install due to some error messages (presumably bugs). Since updating to this Kubuntu version it often happens that during my typing suddenly the keyboard becomes mal-functioning. I.e. for many keys on the right half, more precisly: on the RHS of the key

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In Kubuntu 22.04 suddenly keyboard gives wrong scancodes, how to repair without reboot?

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Question by Anton Wessel on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.