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Dell S2421HN - User Manual

Dell S2421HN
57 pages
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Model: S2421HN/S2721HN/S2421NX/S2721NX
Regulatory model: S2421Ht/S2721Ht
Dell S2421HN/S2721HN/S2421NX/
S2721NX Monitor
User’s Guide
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Dell S2421HN Specifications

General IconGeneral
Pixel pitch0.2745 x 0.2745 mm
Screen shapeFlat
Pixel density92.56 ppi
Backlight typeLED
Display diagonal23.8 \
Display technologyLCD
Native aspect ratio16:9
Vertical scan range48 - 75 Hz
Maximum refresh rate75 Hz
Horizontal scan range30 - 83 kHz
Supported video modes480i, 480p, 576i, 576p, 720p, 1080i, 1080p
NTSC coverage (typical)72 %
Viewable size, vertical296.46 mm
Contrast ratio (typical)1000:1
Display number of colors16.78 million colors
Viewable size, horizontal527.04 mm
Display brightness (typical)250 cd/m²
Supported graphics resolutions640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1600 x 900, 1920 x 1080 (HD 1080)
HDMIYes
Audio input-
HDMI version1.4
DisplayPorts quantity0
Tilt angle range-5 - 21 °
Panel mounting interface100 x 100 mm
AC input voltage100 - 230 V
Power supply typeInternal
AC input frequency50 - 60 Hz
Energy efficiency scaleA to G
Power consumption (max)21 W
Annual energy consumption18 kWh
Power consumption (standby)0.2 W
Power consumption (typical)12.2 W
Operating altitude0 - 5000 m
Non-operating altitude0 - 12192 m
Storage temperature (T-T)-20 - 60 °C
Operating temperature (T-T)0 - 40 °C
Storage relative humidity (H-H)5 - 90 %
Operating relative humidity (H-H)10 - 80 %
Feet colorGray
Product colorBlack
Heavy metals freeHg (mercury)
Market positioningBusiness
Sustainability certificatesRoHS, ENERGY STAR
Cables includedAC, HDMI
Package depth619 mm
Package width134.87 mm
Package height394.97 mm
Harmonized System (HS) code85285210
Weight and Dimensions IconWeight and Dimensions
Bezel width (top)5.4 mm
Depth (with stand)152.8 mm
Height (with stand)412.8 mm
Weight (with stand)3800 g
Bezel width (bottom)20.7 mm
Depth (without stand)53.8 mm
Width (without stand)537.8 mm
Height (without stand)322.6 mm
Weight (without stand)3300 g

Summary

Safety Instructions

About Your Monitor

Package Contents

Lists all components included with the monitor for setup and initial use.

Product Features

Details the key capabilities, technologies, and specifications of the monitor.

Identifying Parts and Controls

Monitor Specifications

Power Management Modes

Ergonomics and User Comfort

Handling and Moving Your Display

Setting Up the Monitor

Connecting the Stand

Step-by-step guide to securely attach the monitor stand to the display.

Connecting Your Monitor

Details on how to connect the monitor to a computer using HDMI cables.

Operating the Monitor

Front Panel Controls

Explains the function of each button on the monitor's front panel for adjustments.

On-Screen Display (OSD) Menu

Guide to navigating and using the monitor's On-Screen Display menu for adjustments.

Setting Maximum Resolution

Guide to setting the display to its optimal resolution (1920x1080) for clarity.

Troubleshooting Common Issues

Monitor Self-Test

Procedure to test monitor functionality without a computer connection to verify basic operation.

Built-in Diagnostics

Steps to run the monitor's internal diagnostic tools to identify screen abnormalities.

Common Problems and Solutions

A guide to diagnosing and resolving typical monitor issues like no picture or stuck pixels.

Product-Specific Problems

Solutions for issues unique to this monitor model, such as aspect ratio or input signal problems.

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