Latitude 5491：键盘功能指南
Summary: 以下指南列出了可用的键盘快捷方式以及它们在 Dell Latitude 5491 笔记本电脑上执行的功能。
Symptoms
Cause
| 功能键组合 | 结果 |
|---|---|
| Fn + F1 | 扬声器静音 |
| Fn + F2 | 调低音量 |
| Fn + F3 | 调高音量 |
| Fn + F4 | 麦克风静音 |
| Fn + F5 | 数字锁 |
| Fn + F6 | Scroll Lock（“滚动锁定”） |
| Fn + F8 | 显示屏切换 (Win + P) |
| Fn + F9 | 搜索 |
| Fn + F11 | 打印屏幕 |
| Fn + F12 | 插入 |
| Fn + Esc | 切换 Fn 键锁定 |
| Fn + End | 睡眠 |
| Fn + Home | 打开/关闭无线功能 |
| Fn + 向上光标 | LCD 亮度增加 |
| Fn + 向下光标 | LCD 亮度降低 |
Resolution
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Latitude 5491Article Properties
Article Number: 000143851
Article Type: Solution
Last Modified: 19 Dec 2022
Version: 5
Find answers to your questions from other Dell users
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Article Properties
Article Number: 000143851
Article Type: Solution
Last Modified: 19 Dec 2022
Version: 5
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.