Dell Latitude 5421 Notebook Keyboard Function Key Guide
Summary: A guide for the keyboard shortcuts available and the functions they perform on the Dell Latitude 5421 laptop.
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Instructions
Keyboard Shortcut Key Functions
The below table is a list of combination short-cut key functions available on the Latitude 5421.

| Function key combo | Result | Secondary Behavior |
|---|---|---|
| Fn + F1 | Mute Audio | F1 |
| Fn + F2 | Decrease Volume | F2 |
| Fn + F3 | Increase Volume | F3 |
| Fn + F4 | Microphone Mute | F4 |
| Fn + F5 | Toggle Keyboard Backlight (Optional) | F5 |
| Fn + F6 | Decrease Brightness | F6 |
| Fn + F7 | Increase Brightness | F7 |
| Fn + F8 | Switch to External Display | F8 |
| Fn + F10 | Print Screen | F10 |
| Fn + F11 | Home | F11 |
| Fn + F12 | End | F12 |
| Fn + Esc | Escape | Toggle Fn-key lock |
| Fn + CTRL | Open Application Window | Control |
| Fn + P | Safescreen (e-Privacy) | - |
| Fn + Up (Arrow) Cursor | Scroll Up | Page Up |
| Fn + Down (Arrow) Cursor | Scroll Down | Page Down |
Affected Products
Latitude 5421Article Properties
Article Number: 000188499
Article Type: How To
Last Modified: 16 Jul 2025
Version: 4
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