Dell S2721DGFA Service Manual

Dell 27 Gaming Monitor

-S2721DGFA

User’s Guide

Model: S2721DGFA Regulatory model: S2721DGFt

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 – 11

Rev. A00

Contents

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

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 . . . . . . . . . . . . . . . . . . . . . . . . . . 13

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

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

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

Environmental characteristics . . . . . . . . . . . . . . . . . . . . . . . . 17

Pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Plug-and-Play . . . . . . . . . . . . . . . . . . . . . . . . . . 21

LCD monitor quality and pixel policy . . . . . . . . . . . . . . 21

Ergonomics . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Handling and moving your display. . . . . . . . . . . . . . . . 24

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

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

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

Connecting the stand . . . . . . . . . . . . . . . . . . . . . . 26

Using the tilt, swivel, and vertical extension . . . . . . . . . . 29

Contents | 3

Tilt, swivel and vertical extension . . . . . . . . . . . . . . . . . . . . . .29

Rotating the Display . . . . . . . . . . . . . . . . . . . . . . . 29

Configuring the display settings on your computer after

rotation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Connecting your monitor . . . . . . . . . . . . . . . . . . . . 31

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

Securing your monitor using Kensington lock (optional) . . . 33

Removing the monitor stand . . . . . . . . . . . . . . . . . . 34

Wall mounting (Optional) . . . . . . . . . . . . . . . . . . . . 35

Requirements to view or play HDR content. . . . . . . . . . . 36

Operating the monitor ..........................37

Power on the monitor . . . . . . . . . . . . . . . . . . . . . . 37

Using the joystick control . . . . . . . . . . . . . . . . . . . . 37

Using the rear-panel controls . . . . . . . . . . . . . . . . . . 38

Using the On-Screen Display (OSD) Menu . . . . . . . . . . . 40

Accessing the menu system . . . . . . . . . . . . . . . . . . . . . . . . .40

OSD warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Locking the rear-panel control buttons . . . . . . . . . . . . . . . . . . .55

Setting the maximum resolution. . . . . . . . . . . . . . . . . . . . . . .56

Troubleshooting ...............................57

Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Built-in diagnostics . . . . . . . . . . . . . . . . . . . . . . . 59

Common Problems. . . . . . . . . . . . . . . . . . . . . . . . 60

Product specific problems . . . . . . . . . . . . . . . . . . . 62

Universal Serial Bus (USB) specific problems . . . . . . . . . 63

Appendix.....................................64

FCC notices (U.S. only) and other regulatory information . . . 64

Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . 64

4 | Contents

Safety instructions

WARNING: 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).

Safety instructions | 5

About your monitor

Package contents

Your monitor ships with the components shown in the table below. If any component is missing, contact Dell. For more information, see Contact Dell.

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

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

Display

Stand riser

6 | About your monitor

Stand base

Power cable (varies by country)

USB 3.0 upstream cable (enables the USB ports on the monitor)

DisplayPort cable (DisplayPort to DisplayPort)

HDMI cable

• Quick Setup Guide

• Safety, Environmental, and Regulatory Information

About your monitor | 7

Product features

The Dell S2721DGFA monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. The monitor features include:

• 68.47 cm (27 in.) viewable area (Measured diagonally) 2560 x 1440 (16:9) resolution, plus full-screen support for lower resolutions.

• Wide viewing angles with 98% DCI-P3 color gamut.

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

• Removable pedestal stand and Video Electronics Standards Association (VESA™) 100 mm mounting holes for flexible mounting solutions.

• Ultra-thin bezel minimizes the bezel gap during multi-monitor usage, enabling easier set up with an elegant viewing experience.

• Extensive digital connectivity with 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.

• Game enhanced features such as Timer, Frame Rate Counter and Dark Stabilizer in addition to enhanced game modes such as FPS, MOBA/RTS, SPORTS, or RPG , and 3 additional game modes to personalize your preferences.

• Power and OSD buttons lock.

• Security lock slot.

• ≤ 0.3 W in Standby Mode.

• NVIDIA® G-SYNC® Compatible Certification and AMD FreeSync™ Premium Pro Technology minimizes graphic distortions like screen tearing and stuttering for smoother, fluid, low latency gameplay.Premium Panel Exchange for peace of mind.

• Optimize eye comfort with a flicker-free screen and ComfortView feature which minimizes blue light emission.

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

Label Description Use 1 Power LED indicator Solid white light indicates

the monitor is turned on and functioning normally. Blinking white light indicates the monitor is in Standby Mode.

About your monitor | 9

Back view

1 2 3 4 5

Label Description Use

1 VESA mounting holes (100 mm

x 100 mm-behind attached VESA cover)

2 Regulatory label Lists the regulatory approvals.

3 Stand release button Releases stand from the monitor.

4 Joystick Use it to control the OSD menu.

5 Function buttons For more information, see Operating the

6 Barcode, serial number, and

Service Tag label

7 Cable-management slot Use to organize cables by inserting them

Wall mount monitor using VESAcompatible wall mount kit (100 mm x 100 mm).

Monitor.

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.

through the slot.

10 | About your monitor

Bottom view

1 2 4 5 6 7 8

Label Description Use

1 Power connector Connect the power cable (shipped with your monitor).

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

separately).

3 HDMI port (HDMI 1) Connect your computer with the HDMI cable (shipped

with your monitor).

4 HDMI port (HDMI 2) Connect your computer with the HDMI cable (shipped

with your monitor).

5 DisplayPort Connect your computer with the DisplayPort cable.

6 Audio 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.

7 USB upstream port Connect the USB cable that comes with your monitor

to the computer. Once this cable is connected, you can use the USB downstream connectors on the monitor.

8, 9 USB downstream

ports (4)

10 Audio headphone

port

11 Stand lock Lock the stand to the monitor using a M3 x 6 mm

Connect your USB peripherals such as mouse and keyboard. Port with battery icon supports BC 1.2.

NOTE: To use these ports, you must connect the USB upstream cable (shipped with your monitor) between the monitor and the computer.

Connect headphone speakers.

screw (screw not included).

About your monitor | 11

Monitor specifications

Screen type Active matrix - TFT LCD

Panel Type In-plane switching Technology

Aspect ratio 16:9

Viewable image dimensions

Diagonal 68.47 cm (27 in.)

Active Area

Horizontal 596.74 mm (23.49 in.)

Vertical 335.66 mm (13.21 in.)

Area 200301.7 mm2 (310.47 in.2)

Pixel pitch 0.2331 mm x 0.2331 mm

Pixel per inch (PPI) 109

Viewing angle Horizontal 178° (typical) Vertical 178° (typical) Brightness 400 cd/m² (typical)

Contrast ratio 1000 to 1 (typical)

Display screen coating Anti-glare treatment of the front polarizer (3H) hard

coating

Backlight LED edgelight system

Response Time (Gray to Gray)

Color depth 1.07 billion colors

Color gamut* 98% DCI-P3

Connectivity • 1 x DisplayPort 1.4 (HDCP 1.4/HDCP 2.2)

4 ms (Fast mode) 3 ms (SuperFast mode) 1 ms (Extreme mode) NOTE: In Extreme mode, slight artifacts may be encountered due to overdriving for fast speed and responsiveness. Use Super Fast/Fast mode for optimal front of screen experience and game play.

• 2 x HDMI 2.0 (HDCP 1.4/HDCP 2.2)

• 4 x USB 3.0 downstream port

• 1 x USB 3.0 upstream port

• 1 x Audio line-out port (3.5 mm jack)

• 1 x Audio headphone port (3.5 mm jack)

12 | About your monitor

Border width (edge of monitor to active area)

To p

Left/Right

Bottom

Adjustability

Height adjustable stand 130 mm

Tilt -5° to 21°

Swivel -45° to 45°

Pivot -90° to 90°

Cable management Ye s

Dell Display Manager (DDM) Compatibility

Security Security lock slot (cable lock sold separately)

* At panel native only, under Custom Mode preset.

Resolution specifications

Resolution specifications HDMI DisplayPort

Horizontal scan range 30 kHz to 230 kHz 30 kHz to 250 kHz

Vertical scan range 48 Hz to 144 Hz 48 Hz to 165 Hz

7.42 mm

7.43 mm

20.33 mm

Easy Arrange and other key features

Maximum preset resolution 2560 x 1440 at 144 Hz 2560 x 1440 at 165 Hz

Video display capabilities (HDMI & DP alternate mode)

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

About your monitor | 13

Preset display modes

VESA 800 x 600

46.875

49.5

+/+

VESA 1280 x 1024

79.976

75.025

135

+/+

VESA 2048 x 1152

7260162

+/-

(DisplayPort 1.4 only)

Display mode Horizontal

frequency (kHz)

VESA 720 x 400 31.469 70.087 28.322 - /+ VESA 640 x 480 31.469 59.94 25.175 -/VESA 640 x 480 3 7.5 75 31.5 -/VESA 800 x 600 37.879 60.317 40 +/+

VESA 1024 x 768 48.363 60.004 65 - /VESA 1024 x 768 60.023 75.029 78.75 +/+ VESA 1152 x 864 67. 5 75 108 +/+ VESA 1280 x 800 49.702 59.8 83.5 -/+ VESA 1280 x 1024 64 60 108 +/+

VESA 1600 x 1200 75 60 162 - /+ VESA 1680 x 1050 65.92 59.95 146.25 +/+ VESA 1920 x 1080 67.5 60 148.5 -/+ VESA 1920 x 1080 135 120 297 +/+ VESA 1920 x 1200 74.56 59.89 193.25 -/+

VESA 2560 x 1080 66.66 60 185.581 + /VESA 2560 x 1440 88.8 60 241.5 +/VESA 2560 x 1440 182.996 120 497.75 +/VESA 2560 x 1440 222.192 144 592 +/VESA 2560 x 1440

244.32 165 645 +/-

Vertical frequency (Hz)

Pixel clock (MHz)

Sync polarity (Horizontal/ Vertical)

14 | About your monitor

Electrical specifications

Video input signals • Digital video signal for each dierential line

Per dierential line at 100 ohm impedance

• DP/HDMI signal input support

Input voltage/ frequency/current 100-240 VAC / 50 or 60 Hz ± 3 Hz / 1.6 A

(maximum)

Inrush current 120 V: 30 A (Max.)

240 V: 60 A (Max.)

Power Consumption 0.2 W (Off Mode)

0.2 W (Standby Mode)

29.1 W (On Mode)

90 W (Max)

28.17 W (Pon)

87.62 kWh (TEC)

As dened 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 measured with reference to Energy Star test

method.

TEC: Total energy consumption in kWh measured with reference to Energy Star test

method.

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.

About your monitor | 15

Physical characteristics

Connector type

Signal cable type • DisplayPort to DisplayPort 1.8 m cable

Dimensions (with stand)

Height (extended)

Height (compressed)

Width

Depth

Dimensions (without stand)

Height

Width

Depth

Stand dimensions

Height (extended)

Height (compressed)

Width

Depth

Weight

Weight with packaging 9.7 kg (21.4 lb)

Weight with stand assembly and cables

Weight without stand assembly (For wall mount or VESA mount considerations - no cables)

Weight of stand assembly 2.1 kg (4.6 lb)

• One DisplayPort

• Two HDMI 2.0 ports

• One audio line-out port

• One headphone port

• Four USB 3.0 downstream ports

• One USB 3.0 upstream port

• HDMI 1.8 m cable

• USB 3.0 1.8 m cable

523.9 mm (20.63 in.)

393.9 mm (15.51 in.)

611.6 mm (24.08 in.)

200.3 mm (7.89 in.)

363.6 mm (14.31 in.)

611.6 mm (24.08 in.)

67.8 mm (2.67 in.)

416.9 mm (16.41 in.)

369.2 mm (14.54 in.)

275.9 mm (10.86 in.)

200.3 mm (7.89 in.)

7.0 kg (15.4 lb)

4.5 kg (9.9 lb)

16 | About your monitor

Environmental characteristics

Compliant Standards

• RoHS Compliant

• BFR/PVC Free monitor (excluding external cables)

• Arsenic-Free glass and Mercury-Free for the panel only Temperature

Operating 0°C to 40°C (32°F to 104°F) Non-operating –20°C to 60°C (–4°F to 140°F)

Humidity

Operating 10% to 80% (non-condensing) Non-operating 5% to 90% (non-condensing)

Altitude Operating 5,000 m (16,404 ft) (maximum) Non-operating 12,192 m (40,000 ft) (maximum) Thermal dissipation 307.09 BTU/hour (maximum)

99.36 BTU/hour (On Mode)

About your monitor | 17

Pin assignments

DisplayPort

Pin number

1 ML3(n) 11 GND

2 GND 12 ML0(p)

3 ML3(p) 13 CONFIG1

4 ML2(n) 14 CONFIG2

5 GND 15 AUX CH (p)

6 ML2(p) 16 GND

7 ML1(n) 17 AUX CH (n)

8 GND 18 Hot Plug Detect

9 ML1(p) 19 Return

10 ML0(n) 20 DP_PWR

20-pin side of the connected signal cable

Pin number

20-pin side of the connected signal cable

18 | About your monitor

HDMI port

Pin number

1 TMDS DATA 2+ 11 TMDS CLOCK SHIELD

2 TMDS DATA 2 SHIELD 12 TMDS CLOCK-

3 TMDS DATA 2- 13 CEC

4 TMDS DATA 1+ 14 Reserved (N.C. on device)

5 TMDS DATA 1 SHIELD 15 DDC CLOCK (SCL)

6 TMDS DATA 1- 16 DDC DATA (SDA)

7 TMDS DATA 0+ 17 DDC/CEC Ground

8 TMDS DATA 0 SHIELD 18 +5 V POWER

9 TMDS DATA 0- 19 HOT PLUG DETECT

10 TMDS CLOCK+

19-pin side of the connected signal cable

Pin number

19-pin side of the connected signal cable

About your monitor | 19

Universal Serial Bus (USB)

This section gives you information about the USB ports available on your monitor.

NOTE: Up to 2 A on USB downstream port (port with battery

icon) with BC 1.2 compliance devices; up to 0.9 A on the other 2 USB downstream ports.

Your monitor has the following USB ports:

• 1 upstream port

• 4 downstream - 4 at bottom

Power Charging Port - the ports with battery icon supports fast current charging capability if the device is BC 1.2 compatible.

NOTE: The monitor’s USB ports work only when the monitor is on or

in the standby mode. If you turn off the monitor and then turn it on, the attached peripherals may take a few seconds to resume normal functionality.

Transfer speed Data rate Maximum power consumption (each port)

SuperSpeed 5 Gbps 4.5 W

Hi-Speed 480 Mbps 2.5 W

Full speed 12 Mbps 2.5 W

20 | About your monitor

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