Dell E2221HN Manuale utente

Dell E2221HN/E2421HN

User’s Guide

Monitor Model: E2221HN/E2421HN

Regulatory Model: E2221HNf, E2421HNf

Notes, Cautions and Warnings

NOTE: A NOTE indicates important information that helps you make better

use of your computer.

CAUTION: A CAUTION indicates potential damage to hardware or loss of

data if instructions are not followed.

WARNING: A WARNING indicates a potential for property damage, personal

injury, or death.

Dell, EMC, and other trademarks are of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of

their respective owners.

2020 - 12

Rev. A02

Contents │ 3

Contents

About your monitor ...........................................5

Package contents ..................................................... 5

Product features....................................................... 6

Identifying features and controls................................ 7

Monitor specifications............................................... 9

Pin assignments .......................................................15

Plug and play capability .............................................16

LCD monitor quality and pixel policy ...........................16

Maintenance guidelines .............................................16

Setting up the monitor ..................................... 17

Connecting the stand................................................17

Connecting your monitor ...........................................19

Organizing cables .....................................................19

Removing the stand ................................................. 20

Operating your monitor ....................................23

Turning on the monitor ............................................. 23

Using the front panel controls................................... 23

Using the On-Screen Display (OSD) menu.................. 25

Setting up display resolution on your monitor ............. 37

Using tilt................................................................. 39

4 │ Contents

Troubleshooting ...............................................40

Self-test ................................................................. 40

Built-in diagnostics ...................................................41

Common problems ................................................... 42

Product-specific problems........................................ 44

Appendix .........................................................45

FCC Notices (U.S. Only) and Other Regulatory

Information ............................................................. 45

Contact Dell ............................................................ 45

EU product database for energy label and product

information sheet .................................................... 45

About your monitor │5

About your monitor

Package contents

Your monitor ships with the components indicated in the table. Ensure that you have received

all the components and see Contact Dell if anything is missing.

NOTE: Some items may be optional and may not ship with your monitor.

Some features may not be available in certain countries.

NOTE: To set up Stand from any other source, refer to the documentation

comes with the Stand for instruction.

Component image Component description

Display

Stand riser

Stand base

VESA™ Screw Cover

Power cable (varies by country)

6│About your monitor

Component image Component description

VGA cable

(EMEA and Japan region)

HDMI cable

• Quick Start Guide

• Safety, Environmental, and

Regulatory Information

Product features

The Dell E2221HN/E2421HN flat panel monitor has an active matrix, Thin-Film Transistor

(TFT), Liquid Crystal Display (LCD) Panel with LED backlight. The monitor features

include :

• E2221HN: 54.68 cm (21.5 in.) diagonal viewable area display (measured diagonally).

1920 x 1080 resolution, with full-screen support for lower resolutions.

• E2421HN: 60.47 cm (23.8 in.) diagonal viewable area display (measured diagonally).

1920 x 1080 resolution, with full-screen support for lower resolutions.

• E2221HN: Viewing angles of 160 degrees in vertical and 170 degrees inhorizontal

directions.

• E2421HN: Wide viewing angles of 178 degrees in vertical and horizontal directions.

• Dynamic contrast ratio (1,000:1).

• Digital connectivity with HDMI.

• Plug and play capable if supported by your computer.

• On-Screen Display (OSD) adjustments for easy setup and screen optimization.

• ≤ 0.3 W in Standby Mode.

• Optimize eye comfort with a flicker-free screen.

• Possible long-term effects if blue light emission from the monitor may cause damage

to the eyes, including eye fatigue or digital eye strain. ComfortView feature to reduce

risk of eye strain from high blue light emission.

• Security-lock slot.

• Arsenic-free glass and Mercury-free for panel only.

• BFR/PVC-Reduced (Its circuit boards are made from BFR/PVC-free laminates).

• Meets NFPA 99 leakage current requirement.

• TCO-certified display.

• EPEAT registered where applicable. EPEAT registration varies by country. See

https://www.epeat.net for registration status by country.

• RoHS Compliant.

• Energy Star®Certified.

About your monitor │7

Identifying features and controls

Front view

1 2

Label Description Use

1Function buttons

To access the OSD menu and change the settings

if required. For more information, see Using the

front panel controls.

2Power On/Off button

(with LED indicator)

To turn the monitor On or Off.

Solid white light indicates that the monitor is

turned on and functioning normally. Blinking

white light indicates that the monitor is in

Standby Mode.

Back view

With monitor stand

Without monitor stand

1 32

8│About your monitor

Label Description Use

1Security-lock slot To secure the monitor using a security lock

(purchased separately).

2Barcode, serial number,

and service tag label

See this label if you need to contact Dell

for technical support. The Service Tag is a

enables Dell service technicians to identify the

hardware components in your computer and

access warranty information.

3Regulatory information List the regulatory approvals.

4Cable-management slot To organize the cables.

5Stand release button Release stand from monitor.

Side view

Bottom view, without monitor stand

1 32

Label Description Use

1Power port To connect the monitor power cable.

2HDMI port For connection to your computer using HDMI

cable.

3VGA port For connection to your computer using VGA

cable.

About your monitor │9

Monitor specifications

Model E2221HN E2421HN

Screen type Active matrix-TFT LCD Active matrix-TFT LCD

Panel type TN In-Plane Switching

Viewable area

Diagonal 546.86 mm (21.5 in.) 604.70 mm (23.8 in.)

Active area

Horizontal

Vertical

Area

476.64 mm (18.77 in.)

268.11 mm (10.56 in.)

1277.92 cm² (198.21 in.²)

527.04 mm (20.75 in.)

296.46 mm (11.67 in.)

1562.46 cm² (242.15in.²)

Pixel pitch 0.2482 mm x 0.2482 mm 0.2745 mm x 0.2745 mm

Pixel per inch (PPI) 102 92

Viewing angle

Horizontal

Vertical

170° (typical)

160° (typical)

178° (typical)

Brightness 250 cd/m² (typical) 250 cd/m² (typical)

Contrast ratio 1,000 to 1 (typical) 1,000 to 1 (typical)

Faceplate coating Anti-glare with 3H hardness Anti-glare with 3H hardness

Backlight LED light bar system LED light bar system

Response time

Normal mode

Fast mode

5 ms

8 ms

5 ms

Color depth 16.7 million colors 16.7 million colors

Color gamut

72% (CIE1931)/83% (CIE1976) 72% (CIE1931)/83% (CIE1976)

Dell display manager

compatibility

Yes Yes

Connectivity 1 x HDMI 1.4, 1 x VGA 1 x HDMI 1.4, 1 x VGA

Bezel width (edge of

monitor to active area)

17.8 mm (Top)

17.8 mm (Left/Right)

17.8 mm (Bottom)

11.8 mm (Top)

11.8 mm (Left/Right)

18.2 mm (Bottom)

Security Security-lock slot for cable

lock (optional purchase)

Security-lock slot for cable

lock (optional purchase)

Tilt angle -5° to 21° -5° to 21°

10 │About your monitor

Resolution specifications

Model E2221HN E2421HN

Horizontal scan range

30 kHz to 83 kHz (automatic) 30 kHz to 83 kHz (automatic)

Vertical scan range 56 Hz to 76 Hz (automatic) 56 Hz to 76 Hz (automatic)

Maximum preset resolution 1920 x 1080 @ 60 Hz 1920 x 1080 @ 60 Hz

Preset display modes

Display mode Horizontal

frequency

(kHz)

Vertical

frequency

(Hz)

Pixel clock

(MHz)

Sync polarity

(Horizontal/Vertical)

VESA, 720 x 400 31.5 70.1 28.3 -/+

VESA, 640 x 480 31.5 60.0 25.2 -/-

VESA, 640 x 480 37.5 75.0 31.5 -/-

VESA, 800 x 600 37.9 60.3 40.0 +/+

VESA, 800 x 600 46.9 75.0 49.5 +/+

VESA, 1024 x 768 48.4 60.0 65.0 -/-

VESA, 1024 x 768 60.0 75.0 78.8 +/+

VESA, 1152 x 864 67.5 75.0 108.0 +/+

VESA, 1280 x1024 64.0 60.0 108.0 +/+

VESA, 1280 x1024 80.0 75.0 135.0 +/+

VESA, 1600 x 900 60.0 60.0 108.0 +/+

VESA, 1920 x1080 67.5 60.0 148.5 +/+

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