“Does pressing F5 refresh your browser or lower your screen brightness? That depends on one tiny setting: Fn Lock.
A: Num Lock controls the number pad; Fn Lock controls the F1–F12 row.
No lock key? Go to BIOS or your laptop’s keyboard manager.
Once you flip Fn Lock on, you’ll never fumble with function keys again.” Q: Does Fn Lock stay on after shutdown? A: Usually, yes on laptops. Some require BIOS setting to make it permanent.
“Does pressing F5 refresh your browser or lower your screen brightness? That depends on one tiny setting: Fn Lock.
A: Num Lock controls the number pad; Fn Lock controls the F1–F12 row. function key lock
No lock key? Go to BIOS or your laptop’s keyboard manager. “Does pressing F5 refresh your browser or lower
Once you flip Fn Lock on, you’ll never fumble with function keys again.” Q: Does Fn Lock stay on after shutdown? A: Usually, yes on laptops. Some require BIOS setting to make it permanent. function key lock