Dell P3421W Owner's manual

Brand: Dell

Model: P3421W

Category: TVs & monitors

Type: Owner's manual

This manual is also suitable for

P3421W Monitor

Dell P3421W Monitor

User’s Guide

Model: P3421W

Regulatory model: P3421Wb

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.

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

owners.

2020 - 10

Rev. A00

  │  3

Contents

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

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

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

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

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

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

Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Monitor specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

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

Supported video modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Preset display modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

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

Pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Plug and play capability . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Universal Serial Bus (USB) interface . . . . . . . . . . . . . . . . 21

SuperSpeed USB 5 Gbps (USB 3.2 Gen1). . . . . . . . . . . . . . . . . . . . 21

USB 2.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

USB Type-C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

USB 3.2 Gen1 (5 Gbps) upstream connector . . . . . . . . . . . . . . . . 22

USB 3.2 Gen1 (5 Gbps) downstream connector . . . . . . . . . . . . . . 22

USB 2.0 downstream connector . . . . . . . . . . . . . . . . . . . . . . . . . . 23

USB Type-C connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

USB ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

LCD monitor quality and pixel policy . . . . . . . . . . . . . . . . 24

Maintenance guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . 24

4  │ 

Cleaning your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Setting up the monitor . . . . . . . . . . . . . . . . . . . . . . 25

Attaching the stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

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

Connecting the DisplayPort (DisplayPort to DisplayPort) cable. . 29

Connecting the HDMI cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Connecting the USB Type-C cable . . . . . . . . . . . . . . . . . . . . . . . . 31

Connecting the USB 3.2 Gen1 (5 Gbps) cable . . . . . . . . . . . . . . . . 31

Organizing your cables. . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Removing the monitor stand . . . . . . . . . . . . . . . . . . . . . . 33

VESA wall mounting (optional) . . . . . . . . . . . . . . . . . . . . 34

Operating the monitor . . . . . . . . . . . . . . . . . . . . . . 35

Power on the monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Using the joystick control . . . . . . . . . . . . . . . . . . . . . . . . 35

Using the On-Screen Display (OSD) menu . . . . . . . . . . . 36

Accessing the Menu Launcher. . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Using the navigation keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Accessing the menu system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

OSD warning message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Setting the maximum resolution . . . . . . . . . . . . . . . . . . . 59

Setting the KVM switch . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Setting the Auto KVM . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Using the tilt, swivel, and vertical extension . . . . . . . . . . 64

Tilt, swivel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Vertical extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Slant adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

  │  5

Built-in diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Common problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Product specific problems . . . . . . . . . . . . . . . . . . . . . . . . 72

Universal Serial Bus (USB) specific problems . . . . . . . . . 73

Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

FCC notices (U.S. only) and other regulatory

information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Contact Dell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

EU product database for energy label and product

information sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

6  │  About your monitor

About your monitor

Package contents

Your monitor ships with the components shown in the table below. If any

component is missing, contact Dell technical support. For more information, see

Contact Dell.

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

Some features may not be available in certain countries.

NOTE: If you are attaching a stand that you purchased from any other

source, follow the set up instructions that were included with the

stand.

Display

Stand riser

Stand base

About your monitor  │  7

Power cable (varies by

country)

DisplayPort cable

(DisplayPort to DisplayPort)

HDMI cable

USB Type-C cable (USB 3.2

Gen1 (5 Gbps))

USB 3.2 Gen1 (5 Gbps)

upstream cable (enables the

USB ports on the monitor)

Cable tie

• Quick Setup Guide

• Safety, Environmental,

and R

egulatory

Information

8  │  About your monitor

Product features

The Dell P3421W monitor has an active matrix, Thin-Film Transistor (TFT), Liquid

Crystal Display (LCD) and LED backlight. The monitor features include:

• 86.72 cm (34.14 in.) viewable area (measured diagonally).

3440 x 1440 (21:9) resolution, plus full-screen support for lower resolutions.

• Wide viewing angle to allow viewing from a sitting or standing position.

• Color gamut of 99% sRGB.

• Digital connectivity with DisplayPort, USB Type-C and HDMI.

• Single USB Type-C to supply power (PD 65 W) to a compatible notebook

while receiving video & data signal.

• Tilt, swivel, height, and slant adjustment capabilities.

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

easier setup with an elegant viewing experience.

• Removable stand and Video Electronics Standards Association (VESA™)

100

mm mounting holes for flexible mounting solutions.

• Equipped with 1 USB Type-C upstream port, 1 USB Type B upstream port, and

4 USB Type-A downstream ports.

• Plug and play capability if supported by your system.

• The built-in KVM switch al lows you to control up to 2 computers from a single

set of keyboard and mouse connected to the monitor.

• Supports Auto KVM for multiple input setup.

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

optimization.

• Supports Picture by Picture (PBP) and Picture in Picture (PIP) Select mode.

• Power and joystick buttons lock.

• Security lock slot.

• Stand lock.

• < 0.3 W in 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,

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

Label Description

1 Power LED indicator

Solid white light indicates that the mo

nitor is turned on and functioning

normally. Blinking white light indicates that the monitor is in Standby

Mode.

10  │  About your monitor

Back view

Back view with monitor stand

Label Description Use

1 VESA mounting holes (100 mm

x 10

0 mm - behind attached

VESA Cover)

Wall mount monitor using VESA-

compatible wall mount kit (100 mm x

100 mm).

2 Regulatory label Lists the regulatory approvals.

3 Stand release button Releases stand from the monitor.

4 Barcode, serial number, and

Service T

ag label

Refer to this label if you need to

contact Dell for technical support.

5 Power On/Off button To turn the monitor on or off.

6 Joystick Use to control the OSD menu. (For

mor

e Information, see Operating the

monitor)

7 Cable-management slot Use to organize cables by inserting

them

through the slot.

About your monitor  │  11

Bottom view

Bottom view without monitor stand

Label Description Use

1 Security lock slot Secures the monitor with security lock

(

security lock not included).

2 Power connector Connect the power cable (shipped with your

mon

itor).

3 HDMI port Connect your computer with the HDMI cable

(

shipped with your monitor).

4 DisplayPort Connect your computer with the DisplayPort

able (shipped with your monitor).

5 Stand lock feature To lock the stand to the monitor using a M3 x

6 mm s

crew (screw not included).

6 USB Type-C port Connect the USB Type-C cable that came

with

your monitor to the computer or mobile

device. This port supports USB Power

Delivery, Data, and DisplayPort video signal.

The USB 3.2 Gen1 (5 Gbps) Type-C port

ffers the fastest transfer rate and the

alternate mode with DP 1.2 supports a

maximum resolution of 3440 x 1440 at 60 Hz,

20 V/3.25 A, 15 V/3 A, 9 V/3 A, 5 V/3 A.

NOTE: U

SB Type-C is not supported on

versions of Windows prior to Windows 10.

12  │  About your monitor

Pending USB-IF compliance certification.

To avoid signal interference, when a wireless USB device has been connected to a

USB downstream port, it is NOT recommended to connect any other USB devices

to the adjacent port(s).

Monitor specifications

SuperSpeed USB

Gbps (USB 3.2 Gen1)

upstream port

Connect the USB cable that came with your

monitor to the computer. Once this cable is

connected, you can use the USB connectors

on the monitor.

8 USB 2.0 downstream

port (2)

Connect your USB 2.0 device.*

NOTE: To use these ports, you must connect

the USB cable (shipped with your monitor) to

the USB-upstream port on the monitor and

to your computer.

9 SuperSpeed USB

Gbps (USB 3.2 Gen1)

downstream port (2)

Connect your USB 3.2 Gen1 (5 Gbps)

device.

NOTE: To use these ports, you must connect

the USB cable (shipped with your monitor) to

the USB-upstream port on the monitor and

to your computer.

Model P3421W

Screen type Active matrix - TFT LCD

Panel technology In-Plane Switching Technology

Aspect ratio 21:9

Viewable image

Diagonal

Width (active area)

Height (active area)

Tot a l a re a

867.2 mm (34.14 in.)

799.8 mm (31.49 in.)

334.8 mm (13.18 in.)

267773.04 mm

(415.05 in.

)

Pixel pitch 0.2325 mm x 0.2325 mm

Pixel per inch (PPI) 109

About your monitor  │  13

Viewing angle 178° (vertical) typical

178° (horizontal) typical

Luminance output 300 cd/m² (typical)

Contrast ratio 1000 to 1 (typical)

Faceplate coating Anti-Glare with 3H hardness

Backlight White LED edgelight system

Response time 8 ms (Normal)

5 ms (Fast)

Curvature 3800R (typical)

Color depth 1.07 billion colors

NOTE: Video output from the USB-C port at maximum resolution 3440 x 1440 at

Hz is limited to 16.7 Million colors.

Color gamut sRGB 99%

Connectivity • 1 x DisplayPort version 1.2 (HDCP 2.3)

• 1 x HDMI port version 2.0 (HDCP 2.3)

• 1 x USB Type-C upstream port (Alternate mode with

DisplayPort 1.2, Power Delivery PD up to 65

W)*

• 1 x SuperSpeed USB 5 Gbps (USB 3.2 Gen1)

upstream port

• 2 x SuperSpeed USB 5 Gbps (USB 3.2 Gen1)

downstream port

• 2 x USB 2.0 downstream port

Border width (edge of

monitor to active area)

8.7 mm (Top)

8.7 mm (Left/Right)

21.9 mm (Bottom)

Adjustability

Height adjustable stand

Ti l t

Swivel

Slant adjust

150 mm

-5° to 21°

-30° to 30°

-4° to 4°

NOTE: Do not mount or use this monitor in portrait (vertical) orientation or

inverse (180°) landscape mount as it may damage the monitor.

14  │  About your monitor

*DisplayPort and USB Type-C (Alternate mode with DisplayPort 1.2): HBR2 is

supported.

Resolution specifications

Model P3421W

Horizontal scan range 30 kHz to 85 kHz (automatic)

Vertical scan range 48 Hz to 85 Hz (automatic)

Maximum preset resolution 3440 x 1440 at 60 Hz

Supported video modes

Model P3421W

Video display capabilities (HDMI

& Disp

layPort & USB Type-C

alternate mode)

480p, 480i, 576p, 576i, 720p, 1080i, 1080p

Preset display modes

Dell Display Manager

comp

atibility

Easy Arrange and other key features

Security Security lock slot (cable lock sold separately)

Display mode Horizontal

equency

(kHz)

Vertical

frequency

(Hz)

Pixel

clock

(MHz)

Sync

polarity

(Horizontal

/Vertical)

VESA, 640 x 480 31.5 59.9 25.2 -/+

VESA, 640 x 480 37.5 75.0 31.5 -/-

VESA, 720 x 400 31.5 70.1 28.3 -/+

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 +/+

About your monitor  │  15

Electrical specifications

Model P3421W

Video input signals HDMI 2.0/DisplayPort 1.2*, 600 mV for each differential

ine, 100 ohm input impedance per differential pair

AC input voltage/

equency/current

100 VAC to 240 VAC / 50 Hz or 60 Hz ± 3 Hz / 1.5 A

(typical)

Inrush current • 120 V: 40 A (Max.) at 0°C (cold start)

• 240 V: 80 A (Max.) at 0°C (cold start)

Power consumption •0.2 W (Off mode)

•0.3 W (Standby Mode)

•31.5 W (On mode)

•126 W (Max.)

•25.29 W (Pon)

• 80.31 kWh (TEC)

*HBR2 is supported.

As defined in EU 2019/2021 and EU 2019/2013.

Max brightness and contrast setting with maximum power loading on all USB

ports.

Pon: Power consumption of On mode as defined in Energy Star 8.0 version.

TEC: Total energy consumption in kWh as defined in Energy Star 8.0 version.

VESA, 1152 x 864 67.5 75.0 108.0 +/+

VESA, 1280 x 1024 64.0 60.0 108.0 +/+

VESA, 1280 x 1024 80.0 75.0 135.0 +/+

VESA, 1600 x 1200 75.0 60.0 162.0 +/+

VESA, 1920 x 1080 67.5 60.0 148.5 +/+

VESA, 2560 x 1440 88.8 60.0 241.5 +/-

VESA, 3440 x 1440 88.8 60.0 319.8 +/-

16  │  About your monitor

This document is informational only and reflects laboratory performance. Your

product may perform differently, depending on the software, components and

peripherals you ordered and shall have no obligation to update such information.

Accordingly, the customer should not rely upon this information in making

decisions about electrical tolerances or otherwise. No warranty as to accuracy or

completeness is expressed or implied.

Physical characteristics

NOTE: This monitor is ENERGY STAR certified.

This product qualifies for ENERGY STAR in the factory

default settings which can be restored by “Factory Reset”

function in the OSD menu. Changing the factory default

settings or enabling other features may increase power

consumption that could exceed the ENERGY STAR specified

limit.

Model P3421W

Signal cable type • Digital: DisplayPort, 20 pins

• Digital: HDMI, 19 pins

• Universal Series Bus: Type-C, 24 pins

• Universal Serial Bus: USB, 9 pins

NOTE: Dell monitors are designed to work optimally with the video cables that

are shipped with your monitor. As Dell does not have control over the different

cable suppliers in the market, the type of material, connector and process used to

manufacture these cables, Dell does not guarantee video performance on cables

that are not shipped with your Dell monitor.

Dimensions (with stand)

Height (extended) 541.1 mm (21.30 in.)

Height (compressed) 391.1 mm (15.40 in.)

Width 815.7 mm (32.11 in.)

Depth 237.4 mm (9.35 in.)

Dimensions (without stand)

Height 365.4 mm (14.39 in.)

Width 815.7 mm (32.11 in.)

Depth 58.1 mm (2.29 in.)

About your monitor  │  17

Stand dimensions

Height (extended) 433.3 mm (17.06 in.)

Height (compressed) 386.5 mm (15.22 in.)

Width 307.0 mm (12.09 in.)

Depth 237.4 mm (9.35 in.)

Base 307.0 mm x 235.0 mm (12.09 in. x 9.25 in.)

Weight

Weight with packaging 14.9 kg (32.80 lb)

Weight with stand assembly and

cables

10.8 kg (23.89 lb)

Weight without stand assembly

(For wall mount or VESA mount

considerations - no cables)

6.7 kg (14.85 lb)

Weight of stand assembly 3.6 kg (7.92 lb)

Front frame gloss 17 ± 3

18  │  About your monitor

Environmental characteristics

Model P3421W

Compliant standards

• ENERGY STAR certified monitor

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

www.epeat.net f

or registration status by country.

• RoHS-compliant

• TCO certified displays

• PVC/BFR/CFR free monitor (excluding external cables)

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

Te mp e rat ure

Operating 0°C to 40°C (32°F to 104°F)

Non-operating • Storage: -20°C to 60°C (-4°F to 140°F)

• Shipping: -20°C to 60°C (-4°F to 140°F)

Humidity

Operating 20% to 80% (non-condensing)

Non-operating • Storage: 10% to 90% (non-condensing)

• Shipping: 10% to 90% (non-condensing)

Altitude

Operating 5000 m (16404 ft) (maximum)

Non-operating 12192 m (40000 ft) (maximum)

Thermal dissipation • 429.91 BTU/hour (maximum)

• 111.74 BTU/hour (typical)

About your monitor  │  19

Pin assignments

DisplayPort connector

number

20-pin side of the

connected signal cable

1 ML3 (n)

2 GND

3 ML3 (p)

4 ML2 (n)

5 GND

6 ML2 (p)

7 ML1 (n)

8 GND

9 ML1 (p)

10 ML0 (n)

11 GND

12 ML0 (p)

13 GND

14 GND

15 AUX (p)

16 GND

17 AUX (n)

18 Hot Plug Detect

19 Re-PWR

20 +3.3 V DP_PWR

20  │  About your monitor

HDMI connector

number

19-pin side of the

connected signal cable

1 TMDS DATA 2+

2 TMDS DATA 2 SHIELD

3 TMDS DATA 2-

4 TMDS DATA 1+

5 TMDS DATA 1 SHIELD

6 TMDS DATA 1-

7 TMDS DATA 0+

8 TMDS DATA 0 SHIELD

9 TMDS DATA 0-

10 TMDS CLOCK+

11 TMDS CLOCK SHIELD

12 TMDS CLOCK-

13 CEC

14 Reserved (N.C. on device)

15 DDC CLOCK (SCL)

16 DDC DATA (SDA)

17 DDC/CEC Ground

18 +5 V POWER

19 HOT PLUG DETECT

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Dell P3421W Owner's manual

Brand: Dell

Model: P3421W

Category: TVs & monitors

Type: Owner's manual

This manual is also suitable for

P3421W Monitor

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Dell P3421W Owner's manual

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