Enable or disable fn (function) or action keys mode (HP ProBook 440 G5, 450 G5, 470 G5, and HP EliteBook 830 G5, 840 G5, 850 G5) | HP® Customer Support
![HP Notebook PCs - How to Lock or Unlock the Fn (Function) Key : OnlyIT Services | SilviesRCS Service Desk HP Notebook PCs - How to Lock or Unlock the Fn (Function) Key : OnlyIT Services | SilviesRCS Service Desk](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/24080688341/original/3SI0qZTBcIw8hAwpVAuefiNHtNDR8slcxg.jpg?1604347958)
HP Notebook PCs - How to Lock or Unlock the Fn (Function) Key : OnlyIT Services | SilviesRCS Service Desk
![X1C7: is this light always supposed to be on? I turned FN lock on and off and still it's lit : r/thinkpad X1C7: is this light always supposed to be on? I turned FN lock on and off and still it's lit : r/thinkpad](https://i.redd.it/7gdqbt0qzep31.jpg)