HP Notebook PCs - How to lock or unlock the fn (function) key
What is your (e.g., Pavilion 15-cs3xxx)? how to on function key in hp laptop
| Laptop Series | BIOS Setting Name | |---------------|-------------------| | Pavilion / Envy | Action Keys Mode (Enabled/Disabled) | | Spectre / EliteBook | Fn Key Behavior → Legacy / Default | | ProBook / ZBook | Swap Fn and Ctrl keys OR Function Key Mode | HP Notebook PCs - How to lock or
Locate the Fn key (usually bottom-left) and the Esc key (top-left). then F10 .
If F10 doesn't work, try pressing Esc first to enter the Startup Menu, then F10 .