Precision 7540: Keyboard Function guide
Summary: This article provides a guide to the keyboard shortcut functions on the Dell Precision 7540 Mobile Workstation
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This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
Keyboard Shortcut Key Functions
The below table is a list of combination short-cut key functions available on the Precision 7540 Mobile Workstation

| Function key combo | Result |
|---|---|
| Fn + Esc | Toggle the Fn-Key Lock |
| Fn + F1 | Toggle the Mute Audio |
| Fn + F2 | Decrease Volume |
| Fn + F3 | Increase Volume |
| Fn + F4 | Toggles Microphone Mute LED Off - Microphone capable of recording audio LED On - Microphone Muted and incapable of recording audio |
| Fn + F6 | Used as Scroll Lock Key |
| Fn + F8 | Toggles Video Output |
| Fn + F9 | Search - Mimics Windows key + F |
| Fn + F10 | Keyboard Backlight Illumination Disabled, Dim, Bright |
| Fn + F11 | Used as Print Screen Key |
| Fn + F12 | Used as Insert Key |
| Fn + Right Ctrl | Used as Context Menu Key |
| Fn + B | Used as Pause/Break Key |
| Fn + Arrow Key (Up) | LCD Brightness Decrease |
| Fn + Arrow Key (Down) | LCD Brightness Increase |
| Fn + Home | Toggles the WiFi Radio |
| Fn + End | S3 Sleep Mode |
Cause
Not Applicable.
Resolution
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
Precision 7540Article Properties
Article Number: 000136648
Article Type: Solution
Last Modified: 29 Sept 2023
Version: 5
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