: Some laptops have a physical lock (Fn + Esc) that toggles between media functions and standard F1-F12 keys.

: Some laptops allow you to swap the "Hotkey" and "Function Key" behavior in the BIOS/UEFI menus.

Specific models (like the D330-10IGL) may require a dedicated Lenovo FnLock Driver . : The primary driver is the ASUS System Control Interface .