Dell D2720DS User manual

Model: D2720DS

Regulatory model: D2720DSt

Dell Monitor

D2720DS

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.

2019 – 06

Rev. A00

Contents

About Your Monitor ..................................... 5

Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Identifying Parts and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Monitor Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Plug-and-Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

LCD Monitor Quality and Pixel Policy. . . . . . . . . . . . . . . . . . . . . . .15

Setting Up the Monitor.................................. 16

Attaching the stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Using the Tilt and Vertical Extension . . . . . . . . . . . . . . . . . . . . . . .17

Connecting Your Monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Organizing Your Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Removing the Monitor Stand. . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Wall Mounting (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Operating the Monitor .................................. 22

Turning on the Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Using the Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . 22

Using the On-Screen Display (OSD) Menu . . . . . . . . . . . . . . . . . . . 24

Troubleshooting .......................................30

Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Contents | 3

4 | Contents

Common Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Product Specific Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Appendix ..............................................34

Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Setting Up Your Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Maintenance Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

About Your Monitor | 5

About Your Monitor

Package Contents

Your monitor ships with the components shown below. Make sure that you have received all

the components and contact Dell if something is missing.

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

Somefeatures may not be available in certain countries.

Monitor

Stand riser

Stand base

Screw x 4

6 | About Your Monitor

Power cable (varies by country)

HDMI cable

•Quick Setup Guide

•Safety,Environmental,and

Regulatory Information

Product Features

The Dell D2720DS monitor has an active matrix, thinfilm transistor (TFT), liquid crystal

display (LCD), and LED backlight. The monitor features include:

• 68.467cm (27.0-inch) viewable area display (measured diagonally). 2560x1440

resolution with full-screen support for lower resolutions.

• Tilt, pivot and height adjustment capabilities.

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

mounting holes for flexible mounting solutions.

• Digital connectivity with DisplayPort and HDMI.

• Plug and play capable if supported by your system.

• Minimize eye discomfort with a screen.

• On-screen display (OSD) adjustments for easy setup and screen optimization.

• Security lock slot.

• Stand lock.

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

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

About Your Monitor | 7

Identifying Parts and Controls

Front view

Label Description

1Function buttons (For more information, see Operating the Monitor)

2Power on/off button (with LED indicator)

8 | About Your Monitor

Back View

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).

2Security lock slot Secures monitor with security lock (sold separately).

3Barcode, serial number,

and Service Tag label

Refer to this label if you need to contact Dell for

technical support.

4Cable-management slot Use to organize cables by inserting them through the

slot.

Bottom View

1 2 3

Label Description Use

1Power connector Connect the power cable.

2HDMI connector Connect your computer with HDMI cable.

3DP connector Connect your computer with DisplayPort cable (sold

separately).

About Your Monitor | 9

Monitor Specifications

Screen type Active matrix - TFT LCD

Panel Type In-Plane Switching Technology

Aspect ratio 16:9

Viewable image dimensions

Diagonal 684.67 mm (27 inches)

Active Area

Horizontal 596.74 mm (23.5 inches)

Vertical 335.66 mm (13.2 inches)

Area 200301.7 mm² (310.20 inches²)

Pixel pitch 0.233 mm x 0.233 mm

Pixel per inch (PPI) 108.79

Viewing angle

Horizontal 178° (typical)

Vertical 178° (typical)

Brightness 350 cd/m² (typical)

Contrast ratio 1000 to 1 (typical)

Faceplate coating Anti-Glare with 3H hardness

Backlight LED Edgelight system

Response Time (Gray to Gray) 6 ms with OD

Color depth 16.7 million colors

Color gamut CIE 1976 (79%), CIE 1931 (72%)

Connectivity •1 HDMI port

•1 DP port

Border width (edge of monitor to

active area)

7.9 mm (Top/Left/Right)

18.5 mm (Bottom)

Adjustability

Height adjustment

Tilt

Pivot

Up to 100 mm

-7° to 23°

0° to 90°

Security Security lock slot (cable lock sold separately)

Resolution Specifications

Horizontal scan range 30 kHz to 88 kHz

Vertical scan range 46 Hz to 65 Hz

Maximum preset resolution 2560 x 1440 at 60 Hz

10 | About Your Monitor

Video input capabilities

(HDMI playback)

480i, 480p, 576i, 576p, 720p, 1080i, 1080p,2160p

Preset Display Modes

Display Mode Horizontal

Frequency

(kHz)

Vertical

Frequency

(Hz)

Pixel Clock

(MHz)

Sync Polarity

(Horizontal/

Vertical)

720 x 400 31.5 70.0 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 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, 1600 x 900 60.0 60.0 108 +/-

CVR, 2560 x 1440

88.8

60.0

241.5

+/-

Electrical Specifications

Video input signals •HDMI 1.4, 150mV=<Vp-p=<1560mV for each

dierential line, 100 ohm input impedance per

dierential pair

•DisplayPort 1.2, 120mv min.(For HBR) 50mv min.

(For HBR2) for each dierential line, 100 ohm input

impedance per dierential pair

AC Input voltage/ frequency/

current

100-240 VAC / 50 or 60 Hz ± 3 Hz / 1.5A (typical)

Inrush current •120 V: 30 A (Max.) at 0 °C (cold start)

•220 V: 60 A (Max.) at 0 °C (cold start)

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