If your keyboard does not have the Fn lock icon on the Esc key, or if you want to set the behavior permanently at a system level, you must change the settings in the BIOS. This is common on older Dell models or corporate laptops.

Function keys (F1-F12) on a Dell laptop can be used to perform various tasks, such as adjusting screen brightness, volume control, and more. However, some users may find that their function keys are not working as expected. This guide provides a step-by-step approach to activating function keys on a Dell laptop.

For a permanent system-level change, you can modify the behavior in the BIOS. This is useful if the software shortcuts are not working.