Dell UltraSharp 27 User manual

Model: U2724DE
Regulatory model: U2724DEt
Dell UltraSharp 27
ThunderboltTM 4 Hub Monitor –
U2724DE
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 © 2023 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.
2023 – 09
Rev. A00

Contents
Safety instructions..............................5
About your monitor .............................6
Package contents . . . . . . . . . . . . . . . . . . . . . . . . . 6
Product features. . . . . . . . . . . . . . . . . . . . . . . . . .7
Identifying parts and controls. . . . . . . . . . . . . . . . . . .9
Front view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Top 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
ThunderboltTM 4 out for daisy chain . . . . . . . . . . . . . . . . . . . . .17
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Environmental characteristics . . . . . . . . . . . . . . . . . . . . . . . .20
Pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Plug-and-Play capability . . . . . . . . . . . . . . . . . . . . 27
LCD monitor quality and pixel policy . . . . . . . . . . . . . . 27
Ergonomics . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Handling and moving your display. . . . . . . . . . . . . . . . 29
Maintenance guidelines . . . . . . . . . . . . . . . . . . . . . 31
Cleaning your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Setting up the monitor..........................32
Attaching the stand . . . . . . . . . . . . . . . . . . . . . . . 32
Using the tilt, swivel, and vertical extension . . . . . . . . . . 35
Tilt, swivel and vertical extension . . . . . . . . . . . . . . . . . . . . . .35
Rotating the display . . . . . . . . . . . . . . . . . . . . . . . 36
Adjusting the rotation display settings of your system . . . . 37
Organizing your cables . . . . . . . . . . . . . . . . . . . . . 38
Connecting your monitor . . . . . . . . . . . . . . . . . . . . 39
Dell Power Button Sync (DPBS) . . . . . . . . . . . . . . . . 43
Contents | 3

4| Contents
Connecting the monitor for DPBS for the first time . . . . . . . . . . . .45
Using DPBS function . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Connecting the monitor for ThunderboltTM 4 daisy chain function . . . .48
Connecting the monitor for ThunderboltTM 4 . . . . . . . . . . . . . . . .49
Securing your monitor using Kensington lock (optional) . . . 51
Removing the monitor stand . . . . . . . . . . . . . . . . . . 52
VESA wall mounting (optional) . . . . . . . . . . . . . . . . . 53
Operating the monitor ..........................54
Turn on the monitor . . . . . . . . . . . . . . . . . . . . . . . 54
Using the joystick control . . . . . . . . . . . . . . . . . . . . 54
Using the Menu Launcher . . . . . . . . . . . . . . . . . . . . 55
Rear-panel button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Using the main menu . . . . . . . . . . . . . . . . . . . . . . 58
Using the OSD lock function . . . . . . . . . . . . . . . . . . . . . . . . .74
Initial Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
OSD warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Setting the maximum resolution. . . . . . . . . . . . . . . . . . . . . . .81
Setting the maximum refresh rate . . . . . . . . . . . . . . . . . . . . . .82
Multi-Monitor Sync (MMS) . . . . . . . . . . . . . . . . . . . . . . . . .83
Setting Multi-Monitor Sync (MMS) . . . . . . . . . . . . . . . . . . . . .84
Setting the KVM USB Switch . . . . . . . . . . . . . . . . . . . . . . . .85
Setting the Auto KVM . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Troubleshooting ...............................90
Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . . . . 91
Common problems. . . . . . . . . . . . . . . . . . . . . . . . 92
Product specific problems . . . . . . . . . . . . . . . . . . . 94
Universal Serial Bus (USB) specific problems . . . . . . . . . 97
Regulatory information .........................98
FCC notices (U.S. only) and other regulatory information . . . 98
EU product database for energy label and product information
sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Contacting Dell................................99

Safety instructions | 5
Safety instructions
Use the following safety guidelines to protect your monitor from potential damage and
to ensure your personal safety. Unless otherwise noted, each procedure included in this
document assumes that you have read the safety information that shipped with your
monitor.
NOTE: Before using the monitor, read the safety information that
is shipped with your monitor and printed on the product. Keep the
documentation at a secure location for future reference.
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.
WARNING: The possible long-term effect of listening to audio at high
volume through the headphones (on monitor that support it) may cause
damage to your hearing ability.
• Place the monitor on a solid surface and handle it carefully. The screen is fragile
and can be damaged if dropped or hit with a sharp object.
• Ensure 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 crystals of the display.
• Connect the power cable from the monitor to a wall outlet that is near and
accessible.
• Do not place and use the monitor on a wet surface or near water.
• 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.
• To avoid electric shock, do not attempt to remove any cover or touch the inside
of the monitor.
• Read these instructions carefully. Keep this document for future reference. Follow
all warnings and instructions marked on the product.
• Certain monitors can be wall mounted using the VESA mount that is sold
separately. Ensure to use the correct VESA specifications as mentioned in the
wall mounting section of the User’s Guide.
For information on safety instructions, see the Safety, Environmental, and
Regulatory Information (SERI) document that is shipped with your monitor.

6| About your monitor
About your monitor
Package contents
The following table provides the list of components that are shipped with your monitor.
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)

About your monitor | 7
ThunderboltTM 4 cable
•Quick Setup Guide
•Safety, Environmental, and Regulatory
Information
•Factory Calibration Report
Product features
The Dell UltraSharp U2724DE monitor has an active matrix, Thin-Film Transistor
(TFT), Liquid Crystal Display (LCD), and LED backlight. The monitor features include:
•68.47 cm (27.0 in.) active area display (Measured diagonally) 2560 x 1440 (16:9)
resolution, plus full-screen support for lower resolutions.
•Wide viewing angles with 100% sRGB, BT.709, Display P3 ≥ 98% and DCI-P3 ≥
98% 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.
•Auto Brightness function automatically adjusts monitor brightness and color
temperature based on the detected ambient light, and multiple Dell monitors
with the Auto Brightness function could synchronize their brightness and color
temperature level.
•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.
•ThunderboltTM 4 to supply power to compatible notebook while receiving video
signal.
•ThunderboltTM 4 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.
•Power and OSD buttons lock.
•Security lock slot.
•≤0.3 W in Off Mode.
•The monitor support VRR (Variable refresh rate) function, get higher frame rates
and help reduce screen tearing in games.

8| About your monitor
•The monitor support DRR (Dynamic refresh rate)function, DRR works with all
Windows11 tasks, allowing you to automatically increase the refresh rate (for a
smoother experience)while using the PC or NB to writing or scrolling, and lower the
refresh rate when you don’t need it, which saves more power.
•Supports Picture by Picture (PBP) and Picture in Picture (PIP) Select mode.
•Supports Wake On Lan S3, S4/S5* and MAPT (MAC Address Pass Through).
•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.
•This monitor uses a low blue light panel. When the monitor is reset to factory
settings or default setting, it is in compliance with TÜV Rheinland’s hardware low
blue light certification.**
Blue light ratio:
The ratio of light in the range from 415nm-455nm compared to 400nm-500nm shall
be less than 50%.
Category Blue light ratio
1 ≤20%
2 20% < R ≤ 35%
3 35% < R ≤ 50%
•Decreases the level of hazard blue light emitted from the screen to make viewing
more comfortable for your eyes without distortion of color accuracy.
•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.
* For Dell systems that support this feature.
** This monitor is in compliance with TÜV Rheinland hardware low blue light
certification under Category 2.
WARNING: The possible long-term effects of blue light emission from the
monitor may cause damage to the eyes, which includes but is not limited
to eye fatigue and digital eye strain. ComfortView Plus 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 LED indicator Solid white light indicates the monitor is turned on and
functioning normally.
Blinking white light indicates the monitor is in Standby
Mode.

10 | About your monitor
Top view
1
Label Description Use
1Ambient light sensor Detects ambient light and adjusts the brightness of
the display accordingly.
For more information, see Auto Brightness and Auto
Color Temp..
NOTE: If the Ambient light sensor detects abnormal
change in the light level, see Ambient light
detection anomaly.

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 2 3
4
5 6 7
8
9
10
11
12
13 14 15
16
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
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.
6
ThunderboltTM 4
downstream
ThunderboltTM 4 downstream port only suitable for video
output under Daisy chain, Connecting the monitor for TBT
daisy chain.

About your monitor | 13
7
ThunderboltTM 4
upstream
Connect to your computer using the ThunderboltTM cable.
The ThunderboltTM 4 upstream offer the fastest transfer
rate (USB 3.2 Gen 2), TBT mode and the alternate mode
with DP 1.4 support the following, and 20 V/4.5 A, 15 V/3 A,
9 V/3 A, 5 V/3 A.
Maximum resolution of 2560 x 1440 at 120 Hz.
This model will feature ThunderboltTM 4 technology and will
have a 90W power delivery, it is recommended for use the
following Dell’s products that meet the fire enclosures.
NOTE: ThunderboltTM 4 upstream is not supported on
Windows versions that are prior to Windows 10.
8
USB-C
upstream port
Connect to your computer using the USB cable
(ThunderboltTM 4 cable, A to C or C to C). Once the USB
cable is connected, you can use the USB downstream
connectors on the monitor.
9,10,
12,14 Super speed USB
10 Gbps (USB 3.2
Gen2) (4)
Connect your USB device. You can use these ports only
after you have connected the USB cable (ThunderboltTM 4
cable, A to C or C to C) from the computer to the monitor.
Port with battery icon supports Battery Charging Rev.
1.2.
11
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.
13
RJ45 connector
(2.5G)
Connect Internet. You can surf Internet via RJ45 only
after you have connected the USB cable (ThunderboltTM 4
cable, A to C or C to C) from the computer to the monitor.
15
USB-C
downstream port
Port with icon supports 5 V / 3 A.
Connect your USB device. You can use this port only after
you have connected the USB cable (ThunderboltTM 4
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 8 mm screw
(screw not included).

14 | 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 (13.22 in.)
Area 200301.74 mm2(310.47 in.2)
Pixel pitch 0.2331 mm x 0.2331 mm
Pixel per inch (PPI) 108.97
Viewing angle
Horizontal 178° (typical)
Vertical 178° (typical)
Brightness 350 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% BT.709
98% Display P3
98% DCI-P3
Calibration accuracy Delta E < 2 (average) (sRGB, BT.709, Display P3, DCI-P3)

About your monitor | 15
Connectivity •1 x DP 1.4 (DRR for Microsoft Windows) (Supports 2 x
QHD 120Hz 8 bit)
•1 x DP out
•1x HDMI (HDCP 1.4)(Supports up to QHD 2560 x 1440
120Hz TMDS, VRR as per specied in HDMI2.1)*
•1 x ThunderboltTM 4 downstream (15W) only suitable for
video output under Daisy chain
•1 x ThunderboltTM 4 upstream (Thunderbolt mode and
alternate mode with DisplayPort 1.4, USB 3.2 Gen 2
upstream port, Power Delivery (PD) up to 90 W)
•1 x USB-C upstream (Data only, USB 3.2 Gen 2, 10 Gbps)
•3 x USB-A (USB 3.2 Gen 2 10 Gbps)
•1 x audio lineout
•1 x RJ45 (2.5G)
Quick Access:
•1 x USB-A (USB 3.2 Gen 2 10 Gbps) with BC 1.2
•1 x USB-C (USB 3.2 Gen 2 10 Gbps, 15W)
Border width (edge of monitor to active area)
Top
Left/Right
Bottom
7.75 mm
7.75 mm
9.10 mm
Adjustability
Height adjustable stand 150.00 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)
* Not supporting the HDMI2.1 optional specification, including HDMI Ethernet Channel
(HEC), Audio Return Channel (ARC), standard for 3D format and resolutions, standard
for 4K digital cinema resolution, HDR, Fixed Rate Link (FRL), Enhanced audio return
channel (eARC), Quick Media Switching (QMS), Quick Frame Transport (QFT), Auto
Low Latency Mode (ALLM), Display Stream Compression (DSC), and Source-Based
Tone Mapping (SBTM). HDMI2.1 supports Variable Refresh Rate (VRR).

16 | About your monitor
Resolution specifications
Horizontal scan range 30 kHz to 178 kHz
Vertical scan range 48 Hz to 120 Hz
Default preset resolution 2560 x 1440 at 60 Hz
Maximum preset resolution 2560 x 1440 at 120 Hz
Video display capabilities (HDMI
& DP & Thunderbolt mode and
alternate mode)
480p, 576p, 720p, 1080i (HDMI only), 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
-/-
VESA, 640 x 480
37.500
75.00
31.5
-/-
VESA, 800 x 600
37.879
60.317
40
+/+
VESA, 800 x 600
46.875
75.00
49.5
+/+
VESA, 1024 x 768 48.363 60.004 65 -/-
VESA, 1024 x 768
60.023
75.029
78.75
+/+
MAC, 1152 x 864
67.50
75.00
108
+/+
VESA, 1280 x 720
45.00
60.00
74.25
+/+
VESA, 1280 x 1024
64.00
60.02
108
+/+
VESA, 1280 x 1024
79.976
75.025
135
+/+
CVT, 1600 x 1200 65.00 60.00 175.5 +/+
VEST, 1600 x 900
60.00
60.00
108
+/+
CVT, 1920 x 1080
67.5
60.00
148.5
+/+
CVT, 1920 x 1080
135.00
120.00
297
+/-
CVT 2048 x 1080
66.66
60.00
147.18
+/-
CVT, 2560 x 1440
88.787
59.951
241.5
+/-
CVT 2560 x 1440 110.30 75.00 304.24 +/-
CVT 2560 x 1440
177.60
120.00
488.4
+/-

About your monitor | 17
DP Multi-Stream Transport (MST) modes
MST Source Monitor Maximum number of external monitors that can be
supported
2560 x 1440/60 Hz (8 bit) 4
2560 x 1440/120 Hz (8 bit) 2
ThunderboltTM 4 out for daisy chain
OSD Display Info:
Link rate (current)
Maximum number of external monitors that can be supported
Thunderbolt (60 Hz
or 120 Hz)
2
DP Alt mode HBR3 2 (60 Hz), 1 (120 Hz)
DP Alt mode HBR2 1 (60 Hz)
Electrical specifications
Video input signals •Digital video signal for each dierential line
Per dierential line at 100 ohm impedance
•DP/HDMI/ThunderboltTM 4 signal input support
Input voltage/
frequency/ current
100-240 VAC / 50 or 60 Hz ± 3 Hz / 2.65 A (maximum)
Inrush current 120V: 42 A (Max.)
240V: 80 A (Max.)
Inrush current is measured at an ambient temperature of
0°C (cold start.).
Power Consumption 0.3 W (Off Mode)1
0.5 W (Standby Mode)1
1.5 W (Networked standby Mode)1
24.4 W (On Mode)1
225 W (Max)2
18.9 W (Pon)3
65 kWh (TEC)3
1 As dened in EU 2019/2021 and EU 2019/2013.
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.

18 | About your monitor
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
Signal cable type •DP to DP 1.8 M cable
•ThunderboltTM 4 1.0 M cable
•USB 3.2 Gen 2 (A to C) 1.0 M cable
Dimensions (with stand)
Height (extended) 535.58 mm (21.09 in.)
Height (compressed) 385.58 mm (15.18 in.)
Width 612.24 mm (24.10 in.)
Depth 192.28 mm (7.57 in.)
Dimensions (without stand)
Height 352.51 mm (13.88 in.)
Width 612.24 mm (24.10 in.)
Depth 50.12 mm (1.97 in.)
Stand dimensions
Height (extended) 428.30 mm (16.86 in.)
Height (compressed) 381.50 mm (15.02 in.)
Width 272.80 mm (10.74 in.)
Depth 192.28 mm (7.57 in.)
Base 272.80 mm x 189.00 mm
(10.74 in. x 7.44 in.)
Weight
Weight with packaging 10.21 kg (22.51 lb)
Weight with stand assembly and
cables
7.37 kg (16.25 lb)
Weight without stand assembly
(For wall mount or VESA mount
considerations - no cables)
5.23 kg (11.53 lb)
Weight of stand assembly 1.75 kg (3.86 lb)

20 | About your monitor
Environmental characteristics
Compliant Standards
•ENERGY STAR certified Monitor.
•EPEAT registered where applicable. EPEAT registration varies by country.
See https://www.epeat.net for registration status by country.
•TCO Certified & TCO Certified Edge.
•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 767.7 BTU/hour (maximum)
83.3 BTU/hour (on mode)