Dell UltraSharp U2723QX User manual

Model: U2723QX/U2723QE/U3223QE
Regulatory model: U2723QEt/U3223QEt
Dell UltraSharp 27/32 4K
USB-C Hub Monitor –
U2723QX/U2723QE/U3223QE
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 © 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks
are trademarks of Dell Inc. or its subsidiaries. USB Type-C®and USB-C®are registered trademarks of USB
Implementers Forum. Other trademarks may be trademarks of their respective owners.
2022 – 01
Rev. A00

Contents
Safety Instructions..............................6
About Your Monitor .............................7
Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . 7
Product Features . . . . . . . . . . . . . . . . . . . . . . . . . 8
Identifying Parts and Controls . . . . . . . . . . . . . . . . . 10
Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Back View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Monitor Specifications . . . . . . . . . . . . . . . . . . . . . 14
Resolution Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Preset Display Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
DP Multi-Stream Transport (MST) Modes . . . . . . . . . . . . . . . . . 17
USB-C Multi-Stream Transport (MST) Modes . . . . . . . . . . . . . . . 17
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Physical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Environmental Characteristics . . . . . . . . . . . . . . . . . . . . . . . .21
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Plug and Play capability . . . . . . . . . . . . . . . . . . . . . 30
LCD Monitor Quality and Pixel Policy . . . . . . . . . . . . . . 30
Maintenance guidelines . . . . . . . . . . . . . . . . . . . . . 31
Cleaning your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Setting Up the Monitor .........................32
Connecting the Stand . . . . . . . . . . . . . . . . . . . . . . 32
Using the Tilt, Swivel, and Vertical Extension . . . . . . . . . 35
Contents | 3

4| Contents
Tilt, Swivel and Vertical Extension. . . . . . . . . . . . . . . . . . . . . .35
Rotating the Display . . . . . . . . . . . . . . . . . . . . . . . 36
Configuring the Display Settings on Your Computer after Rotation
37
Organizing Your Cables . . . . . . . . . . . . . . . . . . . . . 38
Connecting Your Monitor . . . . . . . . . . . . . . . . . . . . 39
Dell Power Button Sync (DPBS) . . . . . . . . . . . . . . . . 43
Connecting the Monitor for DPBS for the First Time . . . . . . . . . . . .45
Using DPBS Function . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Connecting the Monitor for USB-C Multi-Stream Transport (MST) function
48
Connecting the Monitor for USB-C . . . . . . . . . . . . . . . . . . . . .49
Securing Your Monitor Using Kensington Lock (Optional) . . . 51
Removing the Monitor Stand . . . . . . . . . . . . . . . . . . 52
Wall Mounting (Optional) . . . . . . . . . . . . . . . . . . . . 53
Operating the Monitor ..........................54
Power On the Monitor . . . . . . . . . . . . . . . . . . . . . . 54
Using the Joystick Control . . . . . . . . . . . . . . . . . . . 54
Using the Menu Launcher . . . . . . . . . . . . . . . . . . . . 55
Front-Panel Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Using the Main Menu . . . . . . . . . . . . . . . . . . . . . . 58
Using the OSD Lock Function . . . . . . . . . . . . . . . . . . . . . . . .73
Initial Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
OSD Warning Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Setting the Maximum Resolution . . . . . . . . . . . . . . . . . . . . . .80
Multi-Monitor Sync (MMS) . . . . . . . . . . . . . . . . . . . . . . . . . 81
Setting Multi-Monitor Sync (MMS) . . . . . . . . . . . . . . . . . . . . .82

Contents | 5
Troubleshooting ...............................83
Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Built-in Diagnostics . . . . . . . . . . . . . . . . . . . . . . . 84
Common Problems. . . . . . . . . . . . . . . . . . . . . . . . 85
Product Specific Problems . . . . . . . . . . . . . . . . . . . 87
Universal Serial Bus (USB) Specific Problems . . . . . . . . . 90
Appendix.....................................91
FCC Notices (U.S. Only) and Other Regulatory Information. . 91
Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . 91
EU Product Database for Energy Label and Product Information
Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

6| Safety Instructions
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) document that is shipped with your monitor.

About Your Monitor | 7
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 Contacting Dell.
NOTE: Some components may be optional and may not ship with your
monitor. Somefeatures may not be available in certain countries.
NOTE: If you are connecting a stand that you purchased from any other
source, follow the setup instructions that were included with the stand.
Display
Stand riser
Stand base
Power cable (varies by country)
DisplayPort 1.8 M cable
(DisplayPort to DisplayPort)
USB-C 1.0 M cable (A to C)

8| About Your Monitor
USB-C 1.0 M cable (C to C)
HDMI 1.8 M cable
(U2723QX only)
UltraSharp U2723QX/U2723QE/U3223QE
2022-01
© 2022 Dell Inc. or its subsidiaries.
Dell P/N: TGWP5 Rev. A00
746.07N01.0001
(U2723QX)
HDMI
www.dell.com/U2723QX/U2723QE
www.dell.com/U3223QE
• Quick Setup Guide
• Safety, Environmental, and Regulatory
Information
• Factory Calibration Report
Product Features
The Dell UltraSharp U2723QX/U2723QE/U3223QE monitor has an active matrix,
Thin-Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. The
monitor features include:
•U2723QX/U2723QE: 68.47 cm (27.0 in.) active area display (Measured diagonally)
3840 x 2160 (16:9) resolution, plus full-screen support for lower resolutions.
•U3223QE: 80.01 cm (31.5 in.) active area display (Measured diagonally) 3840 x
2160 (16:9) resolution, plus full-screen support for lower resolutions.
• Wide viewing angles with 100% sRGB, Rec.709 and 98% DCI-P3 color with an
average Delta E <2.
• 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.
• Single USB-C to supply power to compatible notebook while receiving video signal.
• USB-C and RJ45 ports enable a single-cable, network-connected experience.
• Plug and play capability if supported by your computer.
• On-Screen Display (OSD) adjustments for ease of set-up and screen optimization.

About Your Monitor | 9
• Power and OSD buttons lock.
• Security lock slot.
• ≤ 0.3 W in Off Mode.
• Supports Picture by Picture (PBP) and Picture in Picture (PIP) Select mode.
• Allow user to switch USB KVM function in PBP mode.
• The Monitor is designed with Dell Power Button Sync (DPBS) feature to control PC
system power state from monitor power button. *
• The Monitor allows multiple monitors that are daisy chained via DisplayPort to
synchronize a pre-defined group of OSD settings in the background by Multi-
Monitor Sync (MMS).
• Premium Panel Exchange for peace of mind.
• Optimize eye comfort with a flicker-free screen and low blue light feature to
minimizes hazard blue light emission.
• The Monitor use Low Blue Light panel and compliance with TUV Rheinland
(Hardware Solution) at factory reset/default setting model (Preset mode:
Standard).
• Decreases the level of hazard blue light emitted from the screen to make viewing
more comfortable for your eyes.
• The Monitor adopts Flicker-Free technology, which clears the eye visible flicker,
brings comfort viewing experience and preventing users suffer from eye strain and
fatigue.
* PC system that supports DPBS is the Dell OptiPlex 7090/3090 Ultra platform.
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, and so on. ComfortView Plus feature is designed to reduce the
amount of blue light emitted from the monitor to optimize eye comfort.

10 | About Your Monitor
Identifying Parts and Controls
Front View
1
Label Description Use
1Power 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 | 11
Back View
7
1
2
3
54 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.
4Power On/Off button To turn the monitor on or off.
5Joystick Use it to control the OSD menu.
For more information, see Operating the
Monitor.
6Mac address, Barcode, 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.

12 | About Your Monitor
Bottom View
1 4 5 6 7 832 9
10
1312
11
16
1514
Label Description Use
1Security lock slot Secures monitor with security cable lock (sold separately).
2
Power connector
Connect the power cable.
3
HDMI port Connect your computer with the HDMI cable.
4
DisplayPort (in)
Connect your computer with the DisplayPort cable.
5
USB-C port
(Video + Data)
Connect to your computer using the USB-C cable.
The USB-C port offer the fastest transfer rate and the
alternate mode with DP 1.4 support the maximum
resolution of 3840 x 2160 at 60Hz PD 20V / 4.5A, 15V /
3A, 9V / 3A, 5V / 3A.
NOTE: USB-C is not supported on Windows versions that
are prior to Windows 10.
6
DisplayPort (out)
DP output for MST (Multi-Stream Transport) capable
monitor. To enable MST, refer to instruction on section
Connecting the Monitor for DP MST Function.
NOTE: Remove the rubber plug when using DP out
connector.

About Your Monitor | 13
7
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.
8
USB-C
upstream port
Connect to your computer using the USB cable (A to C or
C to C). Once the USB cable is connected, you can use the
USB downstream connectors on the monitor.
NOTE: Remove the rubber plug when using USB-C
upstream connector.
9,10,
11,12
14
Super speed USB
10 Gbps (USB 3.2
Gen2) (5)
Connect your USB device. You can use these ports only
after you have connected the USB cable (A to C or C to C)
from the computer to the monitor.
Port with battery icon supports Battery Charging Rev.
1.2.
13
RJ45 connector
Connect Internet. You can surf Internet via RJ45 only after
you have connected the USB cable (A to C or C to C) from
the computer to the monitor.
15
USB-C
downstream port
Port with icon supports 5V / 3A.
Connect your USB device. You can use this port only after
you have connected the USB cable (A to C or C to C) from
the computer to the monitor.
16 Stand lock Lock the stand to the monitor using a M3 x 6 mm screw
(screw not included).

14 | About Your Monitor
Monitor Specifications
Model U2723QX/U2723QE U3223QE
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.) 80.01 cm (31.5 in.)
Active Area
Horizontal 596.74 mm (23.49 in.) 697.31 mm (27.4 5 in.)
Vertical 335.66 mm (13.22 in.) 392.23 mm (15.44 in.)
Area 200301.74 mm2(310.47 in.2) 273505.90 mm2(423.83 in.2)
Pixel pitch 0.1554 mm x 0.1554 mm 0.18159 mm x 0.18159 mm
Pixel per inch (PPI) 163.18 137.68
Viewing angle
Horizontal 178° (typical)
Vertical 178° (typical)
Brightness 400 cd/m² (typical)
Contrast ratio 2000 to 1 (typical)
Display screen coating Anti-glare treatment of the front polarizer (3H) hard coating
Backlight LED
Response Time
(Gray to Gray)
5 ms (Fast mode)
8 ms (Normal mode)
Color depth 1.07 billion colors
Color gamut* 100% sRGB
100% Rec.709
98% DCI-P3
Calibration accuracy Delta E < 2 (average) (sRGB, Rec.709, DCI-P3)

About Your Monitor | 15
Connectivity • 1 x DP 1.4 with DSC support (HDCP 2.2)
• 1 x DP out
• 1 x HDMI 2.0 (HDCP 2.2)
• 1 x USB-C (DP1.4 (HDCP 2.2) with DSC support, PD:
90W, 2/4 Lanes switching) – upstream
• 1 x USB-C (USB 3.2 Gen2, 10 Gbps KVM) upstream
• 1 x Analog 2.0 audio line out (3.5 mm jack)
• 4 x USB-A (USB 3.2 Gen2, 10 Gbps)
• 1 x RJ45
Quick Access:
• 1 x USB-A (USB 3.2 Gen2 10 Gbps) with BC 1.2
• 1 x USB-C (USB 3.2 Gen2 10 Gbps, 15W) downstream
Border width (edge of monitor to active area)
To p
Left/Right
Bottom
7.35 mm
7.35 mm
10.00 mm
7.65 mm
7.65 mm
10.15 mm
Adjustability
Height adjustable stand 150.00 mm
Tilt -5° to 21°
Swivel -45° to 45° -30° to 30°
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.

16 | About Your Monitor
Resolution Specifications
Horizontal scan range 15kHz to 140kHz
Vertical scan range 23Hz to 86Hz
Maximum preset resolution 3840 x 2160 at 60Hz
Video display capabilities (HDMI) 480p, 576p, 720p, 1080i, 1080p
Video display capabilities
(DP & USB-C alternate mode)
480p, 576p, 720p, 1080p
Preset Display Modes
Display mode Horizontal
frequency
(kHz)
Vertical
frequency
(Hz)
Pixel
clock
(MHz)
Sync polarity
(Horizontal/
Vertical)
VGA, 720 x 400 31.469 70.08 28.322 -/+
VGA, 640 x 480 31.469 59.94 25.175 -/-
VGA, 640 x 480
37.500
75.00
31.5
-/-
SVGA, 800 x 600 37.879 60.317 40 +/+
SVGA, 800 x 600 46.875 75.00 49.5 +/+
XGA, 1024 x 768 48.363 60.004 65 -/-
XGA, 1024 x 768 60.023 75.029 78.75 +/+
SXGA, 1152 x 864 67.500 75.00 108 +/+
SXGA, 1280 x 800
49.306
59.91
71.0
-/+
SXGA, 1280 x 1024 64.000 60.02 108 +/+
SXGA, 1280 x 1024 79.976 75.025 135 +/+
WUXGA, 1600 x 1200 75.000 60.00 162 -/+
FHD, 1920 x 1080 67.5 60.00 148.5 -/+
WQXGA, 2560 x 1440 88.787 59.951 241.5 +/-
UHD, 3840 x 2160 65.68 30.00 262.75 +/-
UHD 3840 x 2160 (DP) 133.313 60.00 533.25 +/-
UHD 3840 x 2160 (HDMI) 135.0 60.00 594.0 +/+

About Your Monitor | 17
DP Multi-Stream Transport (MST) Modes
MST Source
Monitor
Maximum number of external monitors that can be supported
3840 x 2160 / 60Hz
3840 x 2160/60Hz 2
NOTE: Maximum external monitor resolution with the maximum number of
external monitors supported is 3840 x 2160 / 60Hz only when DSC is
enabled on graphic cards or with graphic cards that support DSC.
USB-C Multi-Stream Transport (MST) Modes
OSD Display Info:
Link rate (current)
Maximum number of external monitors that can be supported
3840 x 2160 / 60Hz
HBR3 2
HBR2 1
NOTE: Maximum external monitor resolution with the maximum number of
external monitors supported is 3840 x 2160 / 60Hz only when DSC is
enabled on graphic cards or with graphic cards that support DSC.
Electrical Specifications
Model U2723QX U2723QE U3223QE
Video input
signals
• Digital video signal for each dierential line
Per dierential line at 100 ohm impedance
• DP/HDMI/USB-C signal input support
Input voltage/
frequency/
current
100-240 VAC / 50 or 60Hz ± 3Hz / 2.7A (maximum)
Inrush
current
120V: 72A (Max.)
240V: 80A (Max.)
Inrush current is measured at an ambient temperature of 0°C
(cold start.).
Power
Consumption
220 W (Max)2
28.54 W (Pon)3
91.83 kWh
(TEC)3
0.2 W (Off Mode)1
0.3 W (Standby Mode)1
25.9 W (On Mode)1
220 W (Max)2
28.54 W (Pon)3
91.83 kWh (TEC)3
0.2 W (Off Mode)1
0.3 W (Standby Mode)1
29.4 W (On Mode)1
220 W (Max)2
29.73 W (Pon)3
94.06 kWh (TEC)3

18 | About Your Monitor
1 As dened in EU 2019/2021 and EU 2019/2013 (U2723QE/U3223QE only).
2Max brightness and contrast setting with maximum power loading on all USB ports.
3 Pon: Power consumption of On Mode as dened in Energy Star 8.0 version.
TEC: Total energy consumption in kWh as dened in Energy star 8.0 version.
This document is informational only and reects laboratory performance.
Your product may perform dierently, 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.
NOTE: This monitor is ENERGY STAR certied.
This product qualies 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 specied limit.

About Your Monitor | 19
Physical Characteristics
Model U2723QX/U2723QE U3223QE
Connector type • DP connector (include DP in and DP out)
• HDMI connector
• Audio line-out (3.5mm diameter)
• USB-C (DP1.4 with DSC support, PD: 90W, 2/4 lanes
switching) upstream connector
• USB-C (USB 3.2 Gen2, 10 Gbps KVM) upstream connector
• USB-A (USB 3.2 Gen2, 10 Gbps) downstream connector x 4
• RJ45 connector
• USB-A (USB 3.2 Gen2 10 Gbps) with BC 1.2 downstream
connector
• USB-C (USB 3.2 Gen2 10 Gbps, 15W) downstream connector
Signal cable type • DP to DP 1.8 M cable
• HDMI 1.8 M cable (U2723QX only)
• USB 3.2 Gen2 (C to C) 1.0 M cable
• USB 3.2 Gen2 (A to C) 1.0 M cable
Dimensions (with stand)
Height (extended) 535.18 mm (21.07 in.) 618.77 mm (24.36 in.)
Height (compressed) 385.18 mm (15.16 in.) 469.34 mm (18.48 in.)
Width 611.44 mm (24.07 in.) 712.61 mm (28.06 in.)
Depth 185.00 mm (7.28 in.) 233.17 mm (9.18 in.)
Dimensions (without stand)
Height 353.01 mm (13.89 in.) 410.04 mm (16.14 in.)
Width 611.44 mm (24.07 in.) 712.61 mm (28.06 in.)
Depth 54.33 mm (2.14 in.) 55.78 mm (2.20 in.)
Stand dimensions
Height (extended) 428.30 mm (16.86 in.) 483.30 mm (19.03 in.)
Height (compressed) 381.50 mm (15.02 in.) 436.50 mm (17.19 in.)
Width 268.00 mm (10.55 in.) 300.00 mm (11.81 in.)
Depth 185.00 mm (7.28 in.) 233.17 mm (9.18 in.)
Base 268.00 mm x 185.00 mm
(10.55 in. x 7.28 in.)
300.00 mm x 230.00 mm
(11.81 in. x 9.06 in.)

20 | About Your Monitor
Weight
Weight with
packaging
9.53 kg (21.01 lb) 14.49 kg (31.94 lb)
Weight with stand
assembly and cables
6.64 kg (14.64 lb) 10.36 kg (22.84 lb)
Weight without
stand assembly
(For wall mount
or VESA mount
considerations - no
cables)
4.48 kg (9.88 lb) 5.65 kg (12.46 lb)
Weight of stand
assembly
1.79 kg (3.95 lb) 4.34 kg (9.57 lb)