Dell S2421HS Manuale utente

Model: S2421HS/S2721HS/S2421HSX/S2721HSX

Regulatory model: S2421Ht/S2721Ht

Dell S2421HS/S2721HS/S2421HSX/

S2721HSX Monitor

User’s Guide

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

use of your monitor.

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.

trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

2020 – 07

Rev. X05

| 3

Contents

Safety instructions.......................... 5

About your monitor ......................... 6

Package contents . . . . . . . . . . . . . . . . . . . . . . 6

Product features . . . . . . . . . . . . . . . . . . . . . . .7

Identifying parts and controls . . . . . . . . . . . . . . . .8

Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Back view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Monitor specifications . . . . . . . . . . . . . . . . . . . 11

Resolution specifications . . . . . . . . . . . . . . . . . . . . . . 12

Preset display modes . . . . . . . . . . . . . . . . . . . . . . . . 12

Electrical specifications. . . . . . . . . . . . . . . . . . . . . . . 13

Physical characteristics. . . . . . . . . . . . . . . . . . . . . . . 13

Environmental characteristics . . . . . . . . . . . . . . . . . . . 14

Power management modes . . . . . . . . . . . . . . . . . . . . . 15

Pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Plug-and-play . . . . . . . . . . . . . . . . . . . . . . . 19

LCD monitor quality and pixel policy . . . . . . . . . . . 19

Ergonomics. . . . . . . . . . . . . . . . . . . . . . . . . 20

Handling and moving your display . . . . . . . . . . . . . 22

Maintenance guidelines . . . . . . . . . . . . . . . . . . 23

Cleaning your monitor. . . . . . . . . . . . . . . . . . . . . . . . 23

Setting up the monitor .......................24

Connecting the stand . . . . . . . . . . . . . . . . . . . 24

Using the tilt, swivel, and vertical extension . . . . . . . 26

Contents | 3

4| Contents

Tilt, Swivel and Vertical Extension . . . . . . . . . . . . . . . . . 26

Rotating the Display . . . . . . . . . . . . . . . . . . . . 27

Configuring the display settings on your computer after

rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Connecting your monitor . . . . . . . . . . . . . . . . . 28

Organizing your cables. . . . . . . . . . . . . . . . . . . 29

Securing your monitor using Kensington lock (optional) 29

Removing the monitor stand . . . . . . . . . . . . . . . 30

Wall mounting (Optional) . . . . . . . . . . . . . . . . . 31

Operating the monitor ...................... 32

Power on the monitor . . . . . . . . . . . . . . . . . . . 32

Using the front panel controls . . . . . . . . . . . . . . . 32

Using the OSD lock function . . . . . . . . . . . . . . . 34

Front-panel button . . . . . . . . . . . . . . . . . . . . . 36

Using the On-Screen Display (OSD) menu . . . . . . . . 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 regulatory information 56

Contacting Dell. . . . . . . . . . . . . . . . . . . . . . . 56

Outline dimension ..........................57

Safety instructions | 5

Safety instructions

CAUTION: Use of controls, adjustments, or procedures other than those

specified in this documentation may result in exposure to shock, electrical

hazards, and/or mechanical hazards.

• Place the monitor on a solid surface and handle it carefully. The screen is fragile

and can be damaged if dropped or hit sharply.

• Always be sure that your monitor is electrically rated to operate with the AC

power available in your location.

• Keep the monitor in room temperature. Excessive cold or hot conditions can have

an adverse effect on the liquid crystal of the display.

• Do not subject the monitor to severe vibration or high impact conditions. For

example, do not place the monitor inside a car trunk.

• Unplug the monitor when it is going to be left unused for an extended period of

time.

• To avoid electric shock, do not attempt to remove any cover or touch the inside

of the monitor.

For information on safety instructions, see the Safety, Environmental, and Regulatory

Information (SERI).

6| About your monitor

About your monitor

Package contents

Your monitor ships with the components shown below. Ensure that you have received

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

NOTE: Some components may be optional and may not ship with your

monitor. Somefeatures may not be available in certain countries.

Display

S2421HS/S2721HS S2421HSX/S2721HSX Stand riser

S2421HS/S2721HS S2421HSX/S2721HSX Stand base

Power cable (varies by country)

HDMI cable

About your monitor | 7

• Quick Setup Guide

• Safety,Environmental,and

Regulatory Information

Product features

The Dell S2421HS/S2721HS/S2421HSX/S2721HSX monitor has an active matrix,

Thin Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. The

monitor features include:

• S2421HS/S2421HSX: 60.45 cm (23.8 in.) active area display (Measured

diagonally). 1920 x 1080 (16:9) resolution, plus full-screen support for lower

resolutions.

• S2721HS/S2721HSX: 68.6 cm (27 in.) active area display (Measured diagonally).

1920 x 1080 (16:9) resolution, plus full-screen support for lower resolutions.

• Tilt, swivel, pivot and vertical extension adjustment capabilities.

• Removable pedestal and Video Electronics Standards Association (VESA™) 100

mm mounting holes for flexible mounting solutions.

• Ultra-thin bezel minimizes the bezel gap in multi-monitor usage, enabling easier

set up with an elegant viewing experience.

• Extensive digital connectivity with HDMI & DP helps future-proof your monitor.

• Plug and play capability if supported by your computer.

• On-Screen Display (OSD) adjustments for ease of set-up and screen

optimization.

• Supports AMD FreeSync™ technology. AMD Freesync™ certified range from

48HZ-75HZ.

• Power and OSD buttons lock.

• Security lock slot.

• 0.3 W standby power when in the standby mode.

• Optimize eye comfort with a flicker-free screen.

WARNING: The possible long-term effects of blue light emission from the

monitor may cause damage to the eyes, including eye fatigue or digital eye

strain. ComfortView feature is designed to reduce the amount of blue light

emitted from the monitor to optimize eye comfort.

8| About your monitor

Identifying parts and controls

Front view

1 2

S2421HS/S2721HS

1 2

S2421HSX/S2721HSX

Label Description Use

1Function buttons For more information, see Operating the Monitor

2Power on/off button

(with LED indicator)

To turn the monitor on or off.

About your monitor | 9

Back view

S2421HS/S2721HS

S2421HSX/S2721HSX

Label Description Use

1VESA mounting holes (100 mm

x 100 mm-behind attached

VESA cover)

Wall mount monitor using VESA-compatible

wall mount kit (100 mm x 100 mm).

2Regulatory label Lists the regulatory approvals.

3Stand release button Releases stand from monitor.

4Barcode, serial number, and

Service Tag label

Refer to this label if you need to contact

Dell for technical support. The Service Tag

is a unique alphanumeric identifier that

enables Dell service technicians to identify

the hardware components in your display

and access warranty information.

5Cable management slot Use to organize cables by placing them

through the slot.

10 | About your monitor

Bottom view

1 2 3 4 5

S2421HS/S2721HS

1 2 3 4 5

S2421HSX/S2721HSX

Label Description Use

1Security lock slot Secures monitor with security cable lock(sold

separately).

2Power connector Connect the power cable (shipped with your

monitor).

3DisplayPort Connect your computer with the DisplayPort

cable (optional).

4HDMI port Connect your computer with the HDMI cable

(shipped with your monitor).

5Audio line-out port Connect speakers to playback audio through

HDMI or DisplayPort audio channels.

Only two-channel audio is supported.

NOTE: The audio line-out port does not support

headphones.

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