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When I see a prohibited or ban symbol on Ubuntu 20.04 my keyboard becomes unresponsive everywhere except in the Ubuntu search box when I attempt to type.

For example: When I want to type in Notepad or Google, a 'ban' symbol keeps flashing, and I can't type anything. However, when I use Ubuntu's 'Show Applications' search box, I can type without any problems. (You can see ban/prohibited symbol in below screenshot)

Despite attempting the solutions provided on Ubuntu support, I haven't been able to resolve this issue. I have tried a solution available on Ubuntu support but it does not help. I have checked the keyboard driver as well.How to fix this issue?

I have tried these solutions:

solution1

solution2

enter image description here

Mayur Pardeshi
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  • I have rebooted device many times and changed screenshot. Can you help me to solve this? – Mayur Pardeshi Sep 13 '23 at 14:12
  • When your question has enough information to be answerable, then somebody will answer it. – user535733 Sep 13 '23 at 14:50
  • Please read https://askubuntu.com/help/how-to-ask and https://askubuntu.com/help/formatting . Take the [tour]. – waltinator Sep 13 '23 at 16:04
  • I have only one laptop and which has keyboard issue. I have tried my best to ask question. Please let me know what I am missing. I have done enough research as well. I have tried to be specific – Mayur Pardeshi Sep 13 '23 at 18:25
  • Borrow a friend's USB keyboard and test it on your machine. If your laptop keyboard is faulty, there is nothing Ubuntu can do beyind remapping a couple keys. Ubuntu is not designed to operate on faulty hardware. – user535733 Sep 13 '23 at 18:40
  • What make /model of laptop is it? Some laptops have a function key to disable the keyboard. – Will Sep 13 '23 at 18:50
  • @user535733 I have mentioned in my post that 'when I use Ubuntu's 'Show Applications' search box, I can type without any problems '. I have borrowed keyboard but its behave same way my laptop behaving. There is an issue in kernal but I don't know how to fix it. – Mayur Pardeshi Sep 13 '23 at 20:27
  • @Will Its lenovo ideapad 330. Problem is not with keyboard its linux kernal which giving me an error. If I disable keyboard its temporary solution – Mayur Pardeshi Sep 13 '23 at 20:30
  • Please edit your question to add the new information. Avoid commenting on your own question. Comments are intended to help you improve your question until it is answerable. – user535733 Sep 13 '23 at 21:00

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