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
![Fn+Esc Lock key? What does it do? I tried it and when it's turn on it says Fn Key priority mode on, when I turn it off it says hotkey priority mode Fn+Esc Lock key? What does it do? I tried it and when it's turn on it says Fn Key priority mode on, when I turn it off it says hotkey priority mode](https://i.redd.it/oalciclx77s51.jpg)
Fn+Esc Lock key? What does it do? I tried it and when it's turn on it says Fn Key priority mode on, when I turn it off it says hotkey priority mode
![Resolve unexpected Function (F1 - F12) or other special key behavior on a Microsoft keyboard - Microsoft Support Resolve unexpected Function (F1 - F12) or other special key behavior on a Microsoft keyboard - Microsoft Support](https://support.content.office.net/en-us/media/58b2cba5-d435-fc9d-b1d5-890f1c0efa82.jpg)