Dell S2721DGF User manual

Model: S2721DGF
Regulatory model: S2721DGFt
Dell 27 Gaming Monitor
-S2721DGF
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.
Copyright © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks
are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective
owners.
2020 – 07
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Environmental characteristics . . . . . . . . . . . . . . . . . . . . . . . . 16
Power management modes . . . . . . . . . . . . . . . . . . . . . . . . . 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

4| Contents
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 . . . . . . . . . . . . . . . . . . .54
Setting the maximum resolution. . . . . . . . . . . . . . . . . . . . . . .55
Troubleshooting ...............................56
Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . . . . 58
Common Problems. . . . . . . . . . . . . . . . . . . . . . . . 59
Product specific problems . . . . . . . . . . . . . . . . . . . 61
Universal Serial Bus (USB) specific problems . . . . . . . . . 62
Appendix.....................................63
FCC notices (U.S. only) and other regulatory information . . . 63
Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . 63
Outline Dimension .............................64

Safety instructions | 5
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).

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.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
Standbase
Powercable(variesbycountry)
USB3.0upstreamcable(enablesthe
USBportsonthemonitor)

About your monitor | 7
DisplayPortcable(DisplayPortto
DisplayPort)
HDMIcable
•QuickSetupGuide
•Safety,Environmental,andRegulatory
Information

8| About your monitor
Product features
TheDell S2721DGF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standbypowerwheninthesleepmodewithoutUSBcable.
• AMDFreeSync™PremiumProforTearfree,stutterfree,lowlatencyHDRgaming.
• VESADisplayHDR™400.
• 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.

About your monitor | 9
Identifying parts and controls
Front view
1
Label Description Use
1PowerOn/Offbutton(withLED
indicator)
Toturnthemonitoronoroff.

10 | About your monitor
Back view
7
1
2
3
4
5
6
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themonitor.
4Joystick UseittocontroltheOSDmenu.
5Functionbuttons Formoreinformation,seeOperating the
Monitor.
6Barcode,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computerand
accesswarrantyinformation.
7Cable-managementslot Usetoorganizecablesbyinsertingthem
throughtheslot.

About your monitor | 11
Bottom view
99
1 2 4 5 6 7 8
11
3
10
9
Label Description Use
1Powerconnector Connectthepowercable(shippedwithyourmonitor).
2Securitylockslot Securesmonitorwithsecuritycablelock(sold
separately).
3HDMIport(HDMI1) ConnectyourcomputerwiththeHDMIcable(shipped
withyourmonitor).
4HDMIport(HDMI2) ConnectyourcomputerwiththeHDMIcable(shipped
withyourmonitor).
5DisplayPort ConnectyourcomputerwiththeDisplayPortcable.
6Audio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.
7USB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)
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.
10 Audioheadphone
port
Connectheadphonespeakers.
11 Standlock LockthestandtothemonitorusingaM3x6mm
screw(screwnotincluded).

12 | About your monitor
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)
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.
Colordepth 1.07billioncolors
Colorgamut* 98%DCI-P3
Connectivity •1xDisplayPort1.4(HDCP1.4/HDCP2.2)
•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)

About your monitor | 13
Borderwidth(edgeofmonitortoactivearea)
To p
Left/Right
Bottom
7.42mm
7.43mm
20.33mm
Adjustability
Heightadjustablestand 130mm
Tilt -5°to21°
Swivel -45°to45°
Pivot -90°to90°
Cablemanagement Yes
DellDisplayManager(DDM)
Compatibility
EasyArrange
andotherkeyfeatures
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
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

14 | About your monitor
Preset display modes
Display mode Horizontal
frequency
(kHz)
Vertical
frequency
(Hz)
Pixel
clock
(MHz)
Sync polarity
(Horizontal/
Vertical)
VESA720x400 31.469 70.087 28.322 -/+
VESA640x480 31.469 59.94 25.175 -/-
VESA640x480 37.5 75 31.5 -/-
VESA800x600 37.879 60.317 40 +/+
VESA800x600
46.875
75
49.5
+/+
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1280x1024
79.976
75.025
135
+/+
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2048x1152
72
60
162
+/-
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
(DisplayPort1.4only)
244.32 165 645 +/-

About your monitor | 15
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.)
Physical characteristics
Connectortype •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
Signalcabletype •DisplayPorttoDisplayPort1.8mcable
•HDMI1.8mcable
•USB3.01.8mcable
Dimensions(withstand)
Height(extended) 523.9mm(20.63in.)
Height(compressed) 393.9mm(15.51in.)
Width 611.6mm(24.08in.)
Depth 200.3mm(7.89in.)
Dimensions(withoutstand)
Height 363.6mm(14.31in.)
Width 611.6mm(24.08in.)
Depth 67.8mm(2.67in.)
Standdimensions
Height(extended) 416.9mm(16.41in.)
Height(compressed) 369.2mm(14.54in.)
Width 275.9mm(10.86in.)
Depth 200.3mm(7.89in.)

16 | About your monitor
Weight
Weightwithpackaging 9.7kg(21.4lb)
Weightwithstandassemblyand
cables
7.0kg(15.4lb)
Weightwithoutstandassembly
(ForwallmountorVESAmount
considerations-nocables)
4.5kg(9.9lb)
Weightofstandassembly 2.1kg(4.6lb)
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)
109.19BTU/hour(typical)

About your monitor | 17
Power management modes
IfyouhaveVESA’sDPM-compliantvideocardorsoftwareinstalledinyourPC,the
monitorcanautomaticallyreduceitspowerconsumptionwhennotinuse.Thisis
referredtoaspowersavemode*.Ifthecomputerdetectsinputfromthekeyboard,
mouse,orotherinputdevices,themonitorautomaticallyresumesfunctioning.The
followingtableshowsthepowerconsumptionandsignalingofthisautomaticpower
savingfeature.
VESA
modes
Horizontal
sync
Vertical
sync
Video Power
indicator
Power
consumption
Normal
operation
Active Active Active White 90W(maximum)**
32W(typical)
Active-off
mode
Inactive Inactive Off White
(Glowing)
Lessthan0.3W
Switchoff - - - Off Lessthan0.3W
PowerConsumptionPon 28.17W
TotalEnergyConsumption(TEC) 87.62kWh
TheOSDoperatesonlyinthenormaloperationmode.Ifyoupressanybuttoninthe
active-offmode,thefollowingmessageisdisplayed:
Dell 27 Gaming Monitor
S2721DGF
No DP signal from your device.
Press any key on the keyboard or move the mouse or wake it up.
If there is no display, press the monitor button again to select the correct
input source.
*ZeropowerconsumptioninOFFmodecanonlybeachievedbydisconnecting
theACmainscablefromthemonitor.
**Maximumpowerconsumptionwithmaximumluminance,andUSBactive.
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.
ActivatethecomputerandthemonitortogainaccesstotheOSD.
NOTE:
Pon: Power consumption of On Mode measured with reference to Energy
Star test method.

18 | About your monitor
TEC: Total energy consumption in kWh measured with reference to Energy
Star test method.
Pin assignments
DisplayPort
Pin
number
20-pin side of the
connected signal cable
Pin
number
20-pin side of the
connected signal cable
1ML3(n) 11 GND
2GND 12 ML0(p)
3ML3(p) 13 CONFIG1
4ML2(n) 14 CONFIG2
5GND 15 AUXCH(p)
6ML2(p) 16 GND
7ML1(n) 17 AUXCH(n)
8GND 18 HotPlugDetect
9ML1(p) 19 Return
10 ML0(n) 20 DP_PWR

About your monitor | 19
HDMI port
Pin
number
19-pin side of the
connected signal cable
Pin
number
19-pin side of the
connected signal cable
1TMDSDATA2+ 11 TMDSCLOCKSHIELD
2TMDSDATA2SHIELD 12 TMDSCLOCK-
3TMDSDATA2- 13 CEC
4TMDSDATA1+ 14 Reserved(N.C.ondevice)
5TMDSDATA1SHIELD 15 DDCCLOCK(SCL)
6TMDSDATA1- 16 DDCDATA(SDA)
7TMDSDATA0+ 17 DDC/CECGround
8TMDSDATA0SHIELD 18 +5VPOWER
9TMDSDATA0- 19 HOTPLUGDETECT
10 TMDSCLOCK+

20 | About your monitor
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 power save 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