On most modern Dell laptops, the easiest way to toggle the Fn Lock is: simultaneously. How it works :
The Fn Lock feature on Dell laptops allows users to toggle top-row keys between standard function commands and secondary multimedia actions, typically by pressing Fn+Esc. This setting can also be adjusted permanently via the BIOS/UEFI menu or through the Windows Mobility Center, with many models featuring an LED indicator on the Esc key to show the status. For specific instructions on enabling the Function (Fn) lock, visit Dell US . Dell +3 AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 4 sites Dell Latitude 14 Rugged Extreme – 7414 Getting Started Guide | Dell US Press the Fn+Esc keys again to deactivate the function lock feature. The function keys return to the default actions. Dell How to turn off the Function Keys on my PC - Microsoft Learn Jul 22, 2025 — dell function lock