Dell P2421DCc Manuel utilisateur

Monitor Model: P2421DC

Regulatory Model: P2421DCc

Dell 24 USB-C Monitor - P2421DC

User’s Guide

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.

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

owners.

2020 – 03

Rev. A01

│3

Contents

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

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

Product features . . . . . . . . . . . . . . . . . . . . . . .8

Identifying parts and controls . . . . . . . . . . . . . . . .9

Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Back view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Monitor specifications . . . . . . . . . . . . . . . . . . . 13

Resolution specifications . . . . . . . . . . . . . . . . . . . . . . 14

Supported video modes . . . . . . . . . . . . . . . . . . . . . . . 15

Preset display modes . . . . . . . . . . . . . . . . . . . . . . . . 15

MST Multi-Stream Transport (MST) Modes . . . . . . . . . . . . 16

Electrical specifications. . . . . . . . . . . . . . . . . . . . . . . 16

Physical characteristics. . . . . . . . . . . . . . . . . . . . . . . 17

Environmental characteristics . . . . . . . . . . . . . . . . . . . 18

Power management modes . . . . . . . . . . . . . . . . . . . . . 19

Plug and play capability . . . . . . . . . . . . . . . . . . 25

LCD monitor quality and pixel policy . . . . . . . . . . . 25

Maintenance guidelines . . . . . . . . . . . . . . . . . . 25

Cleaning your monitor. . . . . . . . . . . . . . . . . . . . . . . .25

Setting up the monitor...................... 26

Attaching the stand . . . . . . . . . . . . . . . . . . . . 26

4 │

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

Connecting the DP cable . . . . . . . . . . . . . . . . . . . . . . 28

Connecting the monitor for DP Multi-Stream Transport (MST)

function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Connecting the USB Type-C cable . . . . . . . . . . . . 29

Connecting the monitor for USB-C Multi-Stream Transport

(MST) function. . . . . . . . . . . . . . . . . . . . . . . 30

Organizing cables . . . . . . . . . . . . . . . . . . . . . 31

Removing the stand . . . . . . . . . . . . . . . . . . . . 32

Wall mounting (optional) . . . . . . . . . . . . . . . . . 33

Operating your monitor ..................... 34

Power on the monitor . . . . . . . . . . . . . . . . . . . 34

USB-C charging options . . . . . . . . . . . . . . . . . . 35

Using the control buttons . . . . . . . . . . . . . . . . . 35

OSD controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Using the On-Screen Display (OSD) menu . . . . . . . . 37

Accessing the OSD menu . . . . . . . . . . . . . . . . . . . . . . 37

Menu and Power button lock . . . . . . . . . . . . . . . . . . . . 49

OSD warning messages . . . . . . . . . . . . . . . . . . . . . . . 51

Setting up your monitor . . . . . . . . . . . . . . . . . . 55

Setting the maximum resolution . . . . . . . . . . . . . . . . . . 55

If you have a Dell desktop or a Dell portable computer with internet

access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

If you have a non Dell desktop, portable computer, or graphics card

Using the tilt, swivel, and vertical extension . . . . . . . 57

Tilt, Swivel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

│5

Vertical Extension . . . . . . . . . . . . . . . . . . . . . 57

Rotating the Monitor . . . . . . . . . . . . . . . . . . . . . . . . 58

Troubleshooting ............................61

Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Built-in diagnostics . . . . . . . . . . . . . . . . . . . . 62

Setting USB-C Prioritization when USB-C Charging is set

to On During Power Off . . . . . . . . . . . . . . . . . . 64

Common problems . . . . . . . . . . . . . . . . . . . . . 65

Product-specific problems . . . . . . . . . . . . . . . . 68

Appendix..................................70

Safety Instructions. . . . . . . . . . . . . . . . . . . . . 70

FCC notices (U.S. Only) and other regulatory information70

Contacting Dell. . . . . . . . . . . . . . . . . . . . . . . 70

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 for more information if

something is missing.

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

monitor. Some features or media may not be available in certain

countries.

Monitor

Stand riser

Stand base

Power cable (varies by

countries)

About your monitor │7

DP 1.2 cable ( 1.8 m length)

USB Type-C cable (C to C, 1.8

m length)

Cable Tie

∞Quick Setup Guide

∞Safety and Regulatory

Information

8 │About your monitor

Product features

The Dell P2421DC monitor has an active matrix, Thin-Film Transistor (TFT), Liquid

Crystal Display (LCD), anti-static, and LED backlight. The monitor features include:

∞60.45 cm (23.8 in.) viewable area display (measured diagonally). 2560 x 1440

resolution, with full-screen support for lower resolutions.

∞Wide viewing angle to allow viewing from a sitting or standing position, or while

moving from side-to-side.

∞Color gamut of 99% sRGB.

∞High Dynamic Contrast Ratio.

∞Tilt, swivel, height, and rotate adjustment capabilities.

∞Removable stand and Video Electronics Standards Association (VESA™) 100 mm

mounting holes for flexible mounting solutions.

∞Digital connectivity with DisplayPort and HDMI.

∞Equipped with 4 USB downstream ports.

∞Single USB Type-C to supply power to compatible notebook while receiving

video signal.

∞Plug and play capability if supported by your system.

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

optimization.

∞Software and documentation media includes an Information File (INF), Image

Color Matching File (ICM), and product documentation.

∞Security lock slot.

∞Stand lock.

∞Capability to switch from wide aspect to standard aspect ratio while maintaining

the image quality.

∞0.3 W standby power when in the sleep 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, digital

eye strain, and so on. ComfortView feature is designed to reduce the

amount of blue light emitted from the monitor to optimize eye comfort.

About your monitor │9

Identifying parts and controls

Front view

1 2

Control buttons

Label Description Use

1Function buttons Use the function buttons to adjust

items in the OSD menu. (For more

information, see Using the control

buttons)

2Power On/Off button Use the power button to turn the

monitor On and Off.

10 │About your monitor

Back view

SVCTag:

1234567

ExpressService

Code:

123456 789 0

S/N:CN-012345-

TV100-96N-001V

-A00

Dateof Mfg/⭕ӝᰛᵕ⭕⭘ᰛᵕ: August. 2019

Q40G024N-700-XXA

⏨Წᱴ⽰ಞ

ශ:P2421DC

䗉ޛ⭫Ⓠ:

100-240V 50/60Hz,2.5A

ѣള࡬䙖

DELL P2421DC

Q40G024N-700-XXA

DELL P2421DC

FlatPanelMonitor /Monitor Plano Panel /Moniteur écran plat /⏢Ღ亟⽪ಘ

ModelNo./Modelo /N°de modelo /ර㲏: P2720DCc

InputRang/Entrade /Daya Tegangan:100-240V 50/60Hz,2.5A

䕨ޕ䴫ⓀӔ⍱䴫༃100-240Կ⢩,2.5ᆹษ,50/60䎛㥢

Consumodeenergía en operación: xxxxx Wh

Удельнаямощностьрабочего режима - xxxxВт/см²

Потребляемаямощностьизделием в режиме ожидания - xx Вт

Потребляемаямощностьизделием в выключенном режиме - xx Вт

Apparatetmålkoples jordet skkontakt.

Apparatenskallanslutas ll jordat uag.

Laiteonliiteävä suojakoskemilla varusteuun pistorasiaan.

Apparatetsskpropskal lslues en skkontakt med jord,

somgiverforbindelse l skproppens jord.

Theequipmentmust be connected to an earthed mains socket-outlet.

L'appareildoitêtre branché sur une prise de courant munie d'une mise à la terre.

MadeinChina /сделанный в Китай /Fabriqué en Chine /ѣു㼳䙖䆜䃔ֵ⭞䚄ᓜᚆۭᇩ㿌࣑Ⱦ

www.dell.com/regulatory_compliance Raheen Business Park Limerick Ireland (for EU Only) 

CANICES-3(B)/NMB-3(B)

Thisdevicecomplies with part 15 of the FCC Rules. Operaonissubject to the following two condions:

(1)thisdevice may not cause harmful interference, and

(2)thisdevice must accept any interference received, including interference that may cause undesired operaon.



XXXXX

R33037

RoHS

䝕

ޛ࣑100V,2.5A,50/60 Hz

XXXXXX-XX

IS13252 (Part 1)/

IEC60950-1

R-41018660

www.bis.gov.in

xxxxxxxxxxxxx

R-R-TPF-P2421DCc

㐔㷡㢬ڕTPVElectronics(Fujian) Co., Ltd.(for Korea)

㥐㦤㣄ڕL&TDisplayTechnology(Fujian)Ltd.(for Korea)

080-200-3800

Back View with monitor stand

Label Description Use

1Cable management slot Use to organize cables by routing them

through the slot.

2VESA mounting holes (behind

VESA cover)

VESA mounting holes (100 mm x

100 mm). Use for Wall mounting the

monitor through a VESA-compatible

wall mount kit.

3Regulatory information label Lists the regulatory approvals.

4Stand release button Releases stand from monitor.

5Regulatory label (including

Barcode serial number and

Service Tag label)

Lists the regulatory approvals. 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 computer and access warranty

information.

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