Look for a small with "Fn" inside it on the Esc key. Press Fn + Esc simultaneously to toggle the Fn Lock.
For most Dell laptops, is the quickest toggle. For a permanent unlock, use BIOS → Function Key Behavior . Check for LED indicators on Esc or F1–F12 keys to confirm current state. how to unlock fn key on dell laptop
| Symptom | Solution | |---------|----------| | Fn + Esc does nothing | Try updating BIOS from Dell Support website. | | No BIOS option | Older models may lack this; use Fn + Esc only. | | Settings reset after reboot | Change BIOS setting and ensure “Save Changes” is selected. | Look for a small with "Fn" inside it on the Esc key
Before fixing the issue, it helps to understand the two modes the Fn key can operate in: For a permanent unlock, use BIOS → Function Key Behavior
Here are the three primary ways to change this setting.