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I want to disable the commands associated to my Fn keys in particular the F1 command which activates the sleep mode.

In addition, Fn keys alone are not present in the Keyboard Shortcuts (in the settings). I found this question but I am not able to find the F1 key removal.

In addition, if I try to assign an "empty" command to F1 via Keyboard Shortcuts I notice that the name of F1 is "sleep". In this way F1 is no longer associated to sleep mode but I cannot use it for other programs.

My Ubuntu version is 20.10.

Kevin Bowen
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Siderius
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  • Fn keys are hardware wired so you will not find a solution for this. There is a key combination to disable Fn. Fn+Super+Esc or Fn Esc or Cntrl Shift T and there will be a few more. – Rinzwind Apr 14 '21 at 21:27
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    Your BIOS also has an option to disable Fn. Topic about this: https://askubuntu.com/questions/818413/how-can-i-toggle-the-fn-function-key – Rinzwind Apr 14 '21 at 21:33
  • @Rinzwind I have also found that pressing Fn+Esc should remove the default behaviour but in my case F1 means sleep mode so it is impossible – Siderius Apr 14 '21 at 21:34

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In the BIOS:

Function key behaviour ---> Function key.

while the default setting is Media Key. If, for example, F1 is associated to sleep mode, using function key setting, you have to press Fn + F1 in order to have the sleep mode.

In the BIOS function key behaviour can be found inside a subsection of advanced like other.

Siderius
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