Dell S2421HSX Monitor User's Guide - Dell Display Manager
Summary
This guide documents Dell Display Manager software for S2421HS/S2421HSX and S2721HS/S2721HSX monitors. It covers quick settings, preset mode assignment, Easy Arrange window organization, multiple input management, energy conservation features, and keyboard shortcuts. Target users are business and home users seeking enhanced display management and productivity features for Dell monitors.
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Dell S2421HS/S2421HSX/S2721HS/ S2721HSX Dell Display Manager User’s Guide
Model: S2421HS/S2421HSX/S2721HS/S2721HSX Regulatory model: S2421Ht/S2721Ht
Page Summary Contents For Dell S2421HSX Monitor User's Guide - Dell Display Manager
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Dell S2421HS/S2421HSX/S2721HS/ S2721HSX Dell Display Manager User’s Guide Model: S2421HS/S2421HSX/S2721HS/S2721HSX Regulatory model: S2421Ht/S2721Ht
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NOTE: A NOTE indicates important information that helps you make better use of your computer. Copyright © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are t...
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Contents Overview . .4 Using the Quick Settings Dialog. .5 Setting Basic Display Functions. .7 Assigning Preset Modes to Applications . .9 Organizing Windows with Easy Arrange. Managing Multiple Video...
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Overview Dell Display Manager is a Microsoft Windows application used to manage a display or a group of displays. It enables manual adjustment of the displayed image, assignment of automatic settings,...
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Using the Quick Settings Dialog Clicking Dell Display Manager’s notification tray icon to open the Quick Settings dialog box. When more than one supported Dell displays are connected to the computer, ...
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Dell S2721HS/S2721HSX S2721HS/S2721HSX The Quick Settings dialog box also provides access to Dell Display Manager’s advanced user interface that is used to adjust basic functions, configure auto mode ...
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Setting Basic Display Functions You can select Manual Mode that enables you to manually select a preset mode or select Auto Mode that applies a preset mode based on the active application. An on-scree...
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Dell S2421HS/S2421HSX S2421HS/S2421HSX Dell S2721HS/S2721HSX S2721HS/S2721HSX 8 | Setting Basic Display Functions
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Assigning Preset Modes to Applications The Auto Mode tab allows you to associate a specific Preset Mode with a specific application, and apply it automatically. When Auto Mode is enabled, Dell Display...
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Dell S2721HS/S2721HSX S2721HS/S2721HSX 10 | Assigning Preset Modes to Applications
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Organizing Windows with Easy Arrange Easy Arrange helps you to effectively organize your application windows on the desktop. You first choose a pre-defined layout pattern which suits your work, then y...
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Dell S2421HS/S2421HSX S2421HS/S2421HSX Dell S2721HS/S2721HSX S2721HS/S2721HSX 12 | Organizing Windows with Easy Arrange
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If you are using multiple displays in an array or matrix, Easy Arrange layout can be applied across to all the displays as one desktop. Select “Span multiple monitors” to enable this feature. You need...
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There are other advanced ways for the usage of Easy Arrange. Refer to table below. Feature Function Description Enhanced Custom layouts Save and name 5 customized Easy Arrange patterns. Easy Arrange C...
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Managing Multiple Video Inputs The Input Manager tab provides convenient ways for you to manage multiple video inputs connected to your Dell display. It makes it very easy to switch between inputs whi...
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You can use the dropdown list to switch to any input source. Dell S2421HS/S2421HSX DP (Active) HDMI HDMI DP HDMI S2421HS/S2421HSX Dell S2721HS/S2721HSX DP (Active) HDMI HDMI DP HDMI S2721HS/S2721HSX N...
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Restoring Application Positions DDM can help you restore application windows into their positions when you reconnect your computer to the display(s). You can quickly access to this feature by right-cl...
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Applying Energy Conservation Features On supported Dell models, an Options tab is available that provides Power Nap energy conservation options. You can choose to set the display’s brightness to the m...
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Other Shortcut Keys Shortcut keys can be defined for below operations, you can define the shortcut keys for quick access to perform these operations: Program shortcut key: to quickly open the Quick Se...
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Attach DDM To Active Window (Only Windows 10) DDM icon can be attached to the active window you are working on. Click on the icon for easy access to below features. Feature Function Description Attach...
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Troubleshooting If DDM does not work with your display, DDM will show below icon in your notification tray. Click on the icon, DDM shows a more detailed error message. Please note that DDM only works ...
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DDM may not work with below displays: Dell display models earlier than year 2013 and D-series of Dell displays. For more information see www.dell.com/support/monitors. Gaming displays using Nvidia-bas...
Manual Details
| Brand | Dell |
|---|---|
| Pages | 22 |
| File Size | 2.02 MB |
| Published | June 25, 2026 |
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Frequently Asked Questions
How do I troubleshoot Dell Display Manager issues?
Ensure video cables are connected, DDC/CI is enabled, and graphics drivers are current. Try restarting the PC and remove any docking stations or extenders.
What does the Quick Settings dialog do?
It opens via the notification tray icon to adjust brightness, contrast, resolution, and window layouts for selected Dell displays.
How do I set up preset modes for apps?
Use the Auto Mode tab to associate specific preset modes with active applications in Dell Display Manager.
Does Dell Display Manager work with non-Dell monitors?
No, DDM only supports Dell branded displays and does not work with displays from other manufacturers.