Dell Precision 5550 Keyboard Function Guide
摘要: The following guide lists the keyboard shortcuts available and the functions that they perform on the Dell Precision Mobile Workstation 5550.
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说明
The below table is a list of combination short-cut key functions available on the Dell Precision Mobile Workstation 5550.

| Keys | Primary Behavior |
|---|---|
| Fn + F1 | Mute audio |
| Fn + F2 | Decrease volume |
| Fn + F3 | Increase volume |
| Fn + F4 | Play/Pause |
| Fn + F5 | Keyboard backlight |
| Fn + F6 | Decrease screen brightness |
| Fn + F7 | Increase screen brightness |
| Fn + F8 | Display Toggle (Win + P) |
| Fn + F10 | Print Screen |
| Fn + F11 | Home |
| Fn + F12 | End |
| Fn + Esc | Toggle Fn-key lock |
| Fn + Ctrl | Emulate right-click menu |
| Fn + B | Pause/Break |
| Fn + S | Toggle scroll lock |
| Fn + R | System request |
其他信息
Visit our Keyboard knowledge base for additional resources and information.
For additional articles and information visit our Touchpad support page.
Additional articles and information can also be found on our Mouse support page.
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Precision 5550文章属性
文章编号: 000123348
文章类型: How To
上次修改时间: 19 4月 2026
版本: 7
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