If you have tried the Fn + Esc shortcut and checked the BIOS but the keys still won't lock, you may have a driver issue.
If the keyboard shortcut doesn't work or you want a permanent change that persists after a reboot, use the BIOS settings. how to lock function key on dell laptop
Newer Dell laptops (post-2018) typically rely on BIOS or Fn + Esc instead. If you have tried the Fn + Esc
The fastest way to toggle the Fn lock is by using a dedicated key combination. Press the Fn key + Esc key simultaneously. The fastest way to toggle the Fn lock
Often the ESC key will have a 'function lock' icon which looks like a padlock. Press the 'FN' select key and ESC and it switches t... Super User Dell Latitude 14 Rugged Extreme – 7414 Getting Started Guide | Dell US Enabling the Function (Fn) lock * Press the Fn+Esc keys. NOTE: Other secondary function keys on the top row are not affected and r... Dell Dell Latitude 14 Rugged – 5414 Getting Started Guide * NOTE: The keyboard has Function key Fn lock capability. When activated, the secondary functions on the top row of keys become de... Dell How to Enable or Disable Function Fn Keys in Windows 10/11 ... Nov 10, 2024 —
Locking the key means you don’t have to hold Fn to access your preferred set of actions.
Dell laptops rely on the "Dell QuickSet" or "Dell Function Keys" driver to manage these features.