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Monitor Users Guide - Page 4
... Vertical Extension 26
Rotating the Display 27 Configuring the display settings on your computer after rotation 27 Connecting your monitor 28 ...37
Accessing the menu system 37 OSD warning messages 48 Setting the maximum resolution 50
Troubleshooting 51
Self-test 51 Built-in diagnostics 52 Common problems 53 Product specific problems 54
Appendix 56
FCC notices (U.S. only) and other...
Monitor Users Guide - Page 7
... or digital eye strain. • Quick Setup Guide • Safety,Environmental,and
Regulatory Information
Product features
The Dell S2421HS/S2721HS/S2421HSX/S2721HSX monitor has an active matrix, Thin Film ... if supported by your monitor | 7 ComfortView feature is designed to reduce the amount of set up and screen
optimization. • Supports AMD FreeSync™ technology.
Monitor Users Guide - Page 9
Use to contact Dell for technical support. Refer to this label if you need to organize cables by placing them through the slot.
The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your monitor | 9 Lists the regulatory approvals. Back view
1 2 3
5
4 S2421HS/S2721HS
1 2
3
5
4 S2421HSX/S2721HSX
Label ...
Monitor Users Guide - Page 13
...support 100-240 VAC / 50 or 60 Hz ± 3 Hz / 1.5 A (maximum) 120 V: 30 A (maximum)
240 V: 60 A (maximum)
S2421HS/S2421HSX • 1 x HDMI1.4 port • 1 x DisplayPort 1.2 • 1 x Audio line-out port 1.8 m HDMI1.4 cable
S2721HS/S2721HSX....89
Electrical specifications
Model Video input signals
Input voltage/frequency/ current Inrush current
Physical characteristics Model Connector type...
Monitor Users Guide - Page 27
... avoid hitting the bottom edge of your Dell computer between landscape and portrait when rotating the display, download and install the latest graphics driver. To configure the Display Settings: 1. NOTE: If you may experience performance degradation when using the monitor with a non-Dell computer, go to www.dell.com/support/drivers and search for information on your computer...
Monitor Users Guide - Page 41
... Allows you to manually adjust the color settings. NOTE: Hue adjustment... is available only for Movie and FPS, RTS, RPG mode. Press the and buttons to the factory defaults. Use or to adjust the saturation from 0 to 100. Operating the monitor | 41
Dell...set the video input mode to:
• RGB: Select this option if your DVD player supports only YPbPr output.
Monitor Users Guide - Page 48
... not support a particular resolution mode, you can see the following message:
S2421HS/S2421HSX
S2721HS/S2721HSX
Dell 24 Monitor
Dell 27 Monitor
The current input timing is receiving from the computer. You can see the following message before the DDC/CI function is disabled:
S2421HS/S2421HSX
S2721HS/S2721HSX
Dell 24 Monitor
The function of adjusting display setting using...
Monitor Users Guide - Page 49
... move the mouse to select the correct input source.
www.dell.com/S2421HS www.dell.com/S2421HSX
S2421HS/S2421HSX
See Troubleshooting for more information. or
www.dell.com/S2421HS www.dell.com/S2421HSX
S2421HS/S2421HSX
or
www.dell.com/S2721HS www.dell.com/S2721HSX
S2721HS/S2721HSX
Dell 24 Monitor
Dell 27 Monitor
No HDMI Cable The display will go into Standby...
Monitor Users Guide - Page 50
...Dell computer (laptop or desktop): • Go to your computer manufacturer's support website and download the latest
graphic drivers. • Go to update your graphics card. Right-click on the desktop and click Display Settings... select the Desktop tile to switch to https://www.dell.com/support, enter your service tag, and download the
latest driver for the monitor: In Windows 7, Windows 8 or...
Monitor Users Guide - Page 51
... below will go into Standby mode in self-test mode, the power LED remains white. S2421HS/S2421HSX
S2721HS/S2721HSX
Dell 24 Monitor
Dell 27 Monitor
No DP Cable The display will continuously scroll through the screen.
Troubleshooting
WARNING: Before you to check whether your monitor is functioning properly. Also, depending upon the selected input...
Monitor Users Guide - Page 53
...settings. smoke or sparks • Contact Dell immediately. LCD screen has • Cycle power on Dell Monitor Quality
and PixelPolicy, see Dell Support site at : www.dell.com/support/monitors.
Common problems
The following table contains general information about common monitor problems...source is selected
in the Input Source menu. Troubleshooting | 53 or too bright • Adjust ...
Monitor Display Manager Users Guide - Page 4
... Conditioning
O
Display
Firmware
Menu Personalize
Service Tag Reset Others
Others
Factory Reset
4 | Overview After installed, Dell Display Manager runs each time the system starts and places its icon in the menu as below. Overview
Dell Display Manager is a Microsoft Windows application used to communicate with your display.
Standard
S2721HS/S2721HSX
NOTE: Dell Display Manager...
Monitor Display Manager Users Guide - Page 5
Using the Quick Settings Dialog
Clicking Dell Display Manager's notification tray icon to the computer, a specific target display can be selected using the menu. The Quick Settings dialog box enables convenient adjustment of the display's brightness, contrast, resolution, window layout, and so on.
You can select Manual Mode or Auto Mode, and the screen resolution can...
Monitor Display Manager Users Guide - Page 6
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 bring up the miniUI under the
mouse pointer.
6 | Using the Quick Settings Dialog NOTE:
Feature
Quick DDM Access
Function
Quick key to call up DDM UI
Control individual display in multiple display setup
Description...
Monitor Display Manager Users Guide - Page 18
Applying Energy Conservation Features
On supported Dell models, an Options tab is activated. Dell S2421HS/S2421HSX
S2421HS/S2421HSX
Dell S2721HS/S2721HSX
S2721HS/S2721HSX
18 | Applying Energy Conservation Features
You can choose to set the display's brightness to the minimum level, or to put the display to sleep when the screensaver is available that provides PowerNap energy conservation...
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