Function Key Lock

: This is the most universal shortcut, used by Logitech, many Dell laptops, and various other brands. : Often used on Microsoft Surface devices.

A: Try updating keyboard drivers or checking for vendor-specific software (e.g., Dell Power Manager, Lenovo Vantage). function key lock

Toggle it by pressing (on most keyboards) or via BIOS settings. : This is the most universal shortcut, used