| OEM | Toggle Combination | |---------------|----------------------------| | Dell, HP, Lenovo (most) | Fn + Esc | | Lenovo ThinkPad | Fn + Left Shift | | ASUS | Fn + Ins or Fn + Fn Lock | | Acer, Microsoft Surface | Fn + Caps Lock | | Logitech external KB | Fn + F12 (with Fn Lock icon) |
If you primarily use F5 to refresh, Alt+F4 to close, or Ctrl+F9 in IDEs, lock Fn to function keys . If you adjust volume and brightness constantly, unlock to media keys . lock fn key windows 11
For decades, the top row of PC keyboards has been a battleground. On one side: the sacred Function keys (F1–F12), capable of saving documents (Ctrl+S), refreshing browsers (F5), or opening developer tools (F12). On the other: modern laptop convenience —brightness toggles, volume controls, media playback, and airplane mode. On one side: the sacred Function keys (F1–F12),