Dell Latitude 9420 Notebook Keyboard Function Key Guide
Summary: The following article provides information about the functions keys on the Dell Latitude 9420 Qwerty Keyboard.
This article applies to
This article does not apply to
This article is not tied to any specific product.
Not all product versions are identified in this article.
Instructions
Keyboard Shortcut Key Functions
The below table is a list of combination short-cut key functions available on the Latitude 9420.

| 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 + F9 | SafeShutter Control | F9 |
| Fn + F10 | Print Screen | F10 |
| Fn + F11 | Home | F11 |
| Fn + F12 | End | F12 |
| Fn + Esc | Escape | Toggle Fn-key lock |
| Fn + Right CTRL | Emulates Right Click | - |
| Fn + Up (Arrow) Cursor | Page Up | Up Cursor |
| Fn + Down (Arrow) Cursor | Page Down | Down Cursor |
Additional Information
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.
Affected Products
Latitude 9420Article Properties
Article Number: 000186114
Article Type: How To
Last Modified: 16 Jul 2025
Version: 2
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.