Dell Fn Key Lock Link

| Dell Series | Typical Fn Lock Shortcut | BIOS Path | |-------------|--------------------------|------------| | XPS (9300, 9310, 9320, 9440) | Fn + Esc | Advanced → Function Key Behavior | | Latitude (5xxx, 7xxx, 9xxx) | Fn + Esc | System Configuration → Keyboard → Fn Lock | | Inspiron (14, 15, 16) | Fn + Esc (newer) / Fn + F1 (older) | Post Behavior → Fn Lock Options | | Precision Mobile Workstations | Fn + Esc | Advanced → Function Key Behavior | | Vostro / G Series gaming | Fn + Esc | System Configuration → Function Key Priority |

| Mode | Pressing F1 does: | Pressing Fn+F1 does: | |------|------------------|----------------------| | (default on many Dells) | Media action (mute, brightness, etc.) | Standard F1–F12 command | | Fn Lock ON | Standard F1–F12 command | Media action | dell fn key lock

If you see that icon: