Dell Precision 3551 Setup and specifications guide
Keyboard shortcuts
NOTE:Keyboard characters may differ depending on the keyboard language configuration. Keys that are used for shortcuts remain the same across all language configurations.
| Keys | Primary behavior | Secondary behavior (Fn + Key) |
|---|---|---|
| Fn + Esc | Escape |
Toggle Fn-key lock |
| Fn + F1 |
Mute audio |
F1 behavior |
| Fn + F2 |
Decrease volume |
F2 behavior |
| Fn + F3 |
Increase volume |
F3 behavior |
| Fn + F4 |
Mute microphone |
F4 behavior |
| Fn + F5 |
Turn on/off keyboard backlight |
F5 behavior |
| Fn + F6 |
Decrease brightness |
F6 behavior |
| Fn + F7 |
Increase brightness |
F7 behavior |
| Fn + F8 |
Switch to external display |
F8 behavior |
| Fn + F10 |
Print screen |
F10 behavior |
| Fn + F11 |
Home |
F11 behavior |
| Fn + 12 |
End |
F12 behavior |
| Fn + Ctrl |
Open application menu |
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