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.