Dell P2423D User manual

Monitor Model: P2423D/P2723D
Regulatory Model: P2423Dc/P2723Dc
Dell P2423D/P2723D
Monitor
User’s Guide

2 │
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. Other trademarks may be trademarks of their respective
owners.
2022 – 02
Rev. A00

│3
Contents
Safety instructions.......................... 6
About your monitor ..........................7
Package contents . . . . . . . . . . . . . . . . . . . . . . 7
Product features . . . . . . . . . . . . . . . . . . . . . . .9
Identifying parts and controls . . . . . . . . . . . . . . . 10
Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Back view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Monitor specifications . . . . . . . . . . . . . . . . . . . 13
Physical characteristics. . . . . . . . . . . . . . . . . . . . . . . 18
Pin assignments . . . . . . . . . . . . . . . . . . . . . . 20
DisplayPort connector . . . . . . . . . . . . . . . . . . . . . . . 20
HDMI connector . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Universal Serial Bus (USB) interface . . . . . . . . . . . . . . . . 22
Plug and play capability . . . . . . . . . . . . . . . . . . 24
LCD monitor quality and pixel policy . . . . . . . . . . . 24
Ergonomics. . . . . . . . . . . . . . . . . . . . . . . . . 24
Handling and moving your display . . . . . . . . . . . . . 26
Maintenance guidelines . . . . . . . . . . . . . . . . . . 27
Cleaning your monitor. . . . . . . . . . . . . . . . . . . . . . . . 27
Setting up the monitor...................... 29
Attaching the stand . . . . . . . . . . . . . . . . . . . . 29

4 │
Connecting your monitor . . . . . . . . . . . . . . . . . 32
Connecting the DisplayPort and USB cable . . . . . . . . . . . . 32
Connecting the HDMI cable (optional) . . . . . . . . . . . . . . . 33
Organizing cables . . . . . . . . . . . . . . . . . . . . . 34
Securing your monitor using Kensington lock (optional) 35
Removing the monitor stand . . . . . . . . . . . . . . . 36
VESA wall mounting (optional) . . . . . . . . . . . . . . 37
Operating your monitor ..................... 38
Power on the monitor . . . . . . . . . . . . . . . . . . . 38
Using the joystick control . . . . . . . . . . . . . . . . . 38
Using the On-Screen Display (OSD) menu . . . . . . . . 39
Accessing the Menu Launcher. . . . . . . . . . . . . . . 39
Using the navigation keys. . . . . . . . . . . . . . . . . . . . . .40
Accessing the OSD menu . . . . . . . . . . . . . . . . . . . . . . 41
Menu and Power button lock . . . . . . . . . . . . . . . . . . . . 52
OSD warning messages . . . . . . . . . . . . . . . . . . . . . . . 54
Setting the maximum resolution . . . . . . . . . . . . . 58
Using the tilt, swivel, and vertical extension . . . . . . . 59
Tilt, swivel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Vertical Extension . . . . . . . . . . . . . . . . . . . . . . . . . .59
Rotating the monitor . . . . . . . . . . . . . . . . . . . . . . . . 60
Rotate clockwise . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Rotate counterclockwise . . . . . . . . . . . . . . . . . . . . . . 61
Adjusting the rotation display settings of your system . . . . . . 62
Troubleshooting ........................... 63

│5
Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . 64
Common problems . . . . . . . . . . . . . . . . . . . . . 66
Universal Serial Bus (USB) specific problems . . . . . . 71
Regulatory information ......................73
FCC notices (U.S. Only) and other regulatory information73
EU product database for energy label and product
information sheet . . . . . . . . . . . . . . . . . . . . . 73
Contacting Dell. . . . . . . . . . . . . . . . . . . . . . . 73

6 │Safety instructions
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 crystal of the display.
• Connect the power cable from the monitor to a wall outlet that is near and
accessible. See Connecting your monitor.
• 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 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

About your monitor │7
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 items may be optional and may not ship with your
monitor. Some features may not be available in certain countries.
Component image Component description
Display
Stand riser
Stand base
Power cable (varies by
country)

8 │About your monitor
DisplayPort to DisplayPort
cable (1.8 meters)
Super speed USB 5 Gbps
(USB 3.2 Gen1) Type-A
to Type-B upstream cable
(enables the USB ports on
the monitor)
• Quick Setup Guide
• Safety, Environmental and
Regulatory Information

About your monitor │9
Product features
The Dell P2423D/P2723D monitor has an active matrix, Thin-Film Transistor (TFT),
Liquid Crystal Display (LCD), and LED backlight. The monitor features include:
• P2423D: 60.45 cm (23.8 in.) viewable area display (measured diagonally).
• P2723D: 68.47 cm (27 in.) viewable area display (measured diagonally).
• 2560 x 1440 resolution, with full-screen support for lower resolutions.
• Color gamut of 99% sRGB (typical).
• Digital connectivity with DisplayPort and HDMI.
• Equipped with 1 USB-B upstream port and 4 SuperSpeed USB 5 Gbps (USB 3.2
Gen1) Type-A downstream ports.
• Plug and play capability if supported by your computer.
• On-Screen Display (OSD) adjustments for ease of setup and screen optimization.
• Power and joystick buttons lock.
• Removable stand and Video Electronics Standards Association (VESA™) 100 mm
mounting holes for flexible mounting solutions.
• Tilt, swivel, height, and rotate adjustment capabilities.
• Security lock slot.
• Stand lock.
• ≤0.3 W standby power when in Standby Mode.
• Supports Dell Display Manager.
• Optimize eye comfort with a flicker-free screen and low blue light feature.
• The monitor use Low Blue Light panel and compliance with TUV Rheinland
(Hardware Solution) at factory reset/default setting model (Preset mode:
Standard).
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.

10 │About your monitor
Identifying parts and controls
Front view
1
Label Description
1 Power LED indicator
Solid white light indicates that the monitor is turned on and functioning
normally. Blinking white light indicates that the monitor is in Standby
Mode.

About your monitor │11
Back view
7
6
1
2
3
4
5
Q40G024N-700-XXA
DELL P2423D
FlatPanelMonitor /Monitor Plano Panel /Moniteur écran plat /液晶顯示器
ModelNo./Modelo /N°de modelo /型號/모델명/モデル番号: P2423Dc
정격입력/ Entradadeenergía:100-240V 50/60Hz,1.5A
輸入電源:交流電壓100-240伏特,1.5安培,50/60赫茲
Удельная мощность рабочего режима - XXXX Вт/см² Consumo de energía en operación: XXX Wh
Потребляемая мощность изделием в режиме ожидания - 0,XX Вт
Потребляемая мощность изделием в выключенном режиме - 0,XX Вт
The equipment must be connected to an earthed mains socket-outlet.
L'appareil doit être branché sur une prise de courant munie d'une mise à la terre.
Made in China /Fabricado en China/сделанный в Китай /Fabriqué en Chine/中國製造 警語: 使用過度恐傷害視力。
www.dell.com/regulatory_compliance Raheen Business Park Limerick Ireland(forEU Only)
CAN ICES-003(B)/NMB-003(B) For UK only: Cain Road, Bracknell, RG12 1LF
(1) this device may not cause harmful interference, and
XXXXX
R33037
RoHS
XXXXXX-XX
IS13252(Part 1)/
IEC60950-1
R-41082465
www.bis.gov.in
XXXXXX-XXXX
R-R-E2K-P2423Dc
신청인:DELL INC.
제조자:L&T Display Technology(Fujian)Ltd.(for Korea)
080-200-3800
デル・テクノロジーズ
入力:100V,1.5A,50/60Hz
XXXXXXXX
SVCTag:
1234567
ExpressService
Code:
123456789 0
S/N:CN-0723H6-
TV200-1C1-001L
-A00
Dateof Mfg/生产日期/生產日期: December. 2021
Q40G024N-700-XXA
液晶显示器
型号:P2423D
输入电源:
100-240V 50/60Hz,1.5A
中国制造
DELL P2423D
Back View with monitor stand
Label Description Use
1 VESA mounting holes (100 mm x
100 mm - behind attached VESA
Cover)
Wall-mount the monitor using VESA-
compatible wall mount kit (100 mm x
100 mm).
2 Regulatory label Lists the regulatory approvals.
3 Stand release button Releases the stand from the monitor.
4 Barcode, serial number, and
Service Tag label
Contains monitor details and support
information. Refer to this label if you
need to contact Dell for technical
support.
5 Power On/Off button To turn the monitor on or off.
6 Joystick Use to control the OSD menu. (For
more Information, see Operating your
monitor)
7 Cable-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 7
Bottom view without monitor stand
Label Description Use
1 Security lock slot
(based on Kensington
Security Slot)
Secure your monitor using a security lock
(purchased separately) to prevent unauthorized
movement of your monitor.
2 Power connector Connect the power cable (shipped with your
monitor).
3 Stand lock To lock the stand to the monitor using a M3 x 6
mm screw (screw not included).
4 HDMI port Connect to your computer using a HDMI cable
(purchased separately).
5 DisplayPort Connect to your computer using a DisplayPort
cable (shipped with your monitor).
6 USB 3.2 Gen1
upstream port
Connect the USB cable (shipped with your
monitor) from this port to your computer to
enable the USB ports on your monitor.
7 SuperSpeed USB 5
Gbps (USB 3.2 Gen1)
Type-A downstream
port (4)
Connect your USB devices. *
NOTE: To use these ports, you must
connect the USB upstream cable
(shipped with your monitor) between the
monitor and the computer.
*To avoid signal interference, when a wireless USB device has been connected
to a USB downstream port, it is NOT recommended to connect any other USB
devices to the adjacent port(s).

About your monitor │13
Monitor specifications
Model P2423D P2723D
Screen type Active matrix-TFT LCD
Panel type In-Plane Switching Technology
Aspect ratio 16:9
Viewable image
Diagonal
Horizontal, Active Area
Vertical, Active Area
Area
604.50 mm (23.80 in.)
526.85 mm (20.74 in.)
296.35 mm (11.67 in.)
156132.00 mm2(242.01
in.2)
684.70 mm (26.96 in.)
596.74 mm (23.49 in.)
335.66 mm (13.21 in.)
200301.75 mm2(310.47
in.2)
Native resolution and
refresh rate
2560 x 1440 at 60 Hz
Pixel pitch 0.2058 mm x 0.2058 mm 0.2331 mm x 0.2331 mm
Pixel per inch (PPI) 123 109
Viewing angle
Horizontal
Vertical
178° (typical)
178° (typical)
Luminance output 300 cd/m² (typical) 350 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 5 ms (Fast mode)
8 ms (Normal mode)
Color depth 16.7 million colors (8 bit)
Color gamut sRGB 99%(typical)

14 │About your monitor
Connectivity 1 x HDMI 1.4 (HDCP 1.4)
1 x DisplayPort 1.2 (HDCP 1.4)
1 x USB 3.2 Gen1 upstream
4 x SuperSpeed USB 5 Gbps (USB 3.2 Gen1)
downstream
Bezel width (edge of monitor to active area)
Top
Left/Right
Bottom
5.42 mm
5.48 mm
16.72 mm
7.37 mm
7.43 mm
17.77 mm
Adjustability
Height adjustable stand
Tilt
Swivel
Pivot
150 mm
-5° to 21°
-45° to 45°
-90° to 90°
Cable management Yes
Dell display manager
compatibility
Easy Arrange and other key features
Security Security lock slot (cable lock optional purchase)
Resolution specifications
Model P2423D/P2723D
Horizontal scan range 29 kHz to 113 kHz
Vertical scan range 49 Hz to 75 Hz (automatic)
Maximum preset
resolution
2560 x 1440 at 60 Hz
Supported video modes
Model P2423D/P2723D
Video display capabilities
(HDMI/DisplayPort)
480p, 576p, 720p, 1080i(HDMI), 1080p, 1440p

About your monitor │15
Preset display modes
Display Mode
Horizontal
Frequency
(kHz)
Vertical
Frequency
(Hz)
Pixel Clock
(MHz)
Sync
Polarity
(Horizontal
/ Vertical)
IBM, 720 x 400 31.50 70.10 28.30 -/+
VESA, 640 x 480 31.50 59.90 25.20 -/-
VESA, 640 x 480 37.50 75.00 31.50 -/-
VESA, 800 x 600 37.90 60.30 40.00 +/+
VESA, 800 x 600 46.90 75.00 49.50 +/+
VESA, 1024 x 768 48.40 60.00 65.00 -/-
VESA, 1024 x 768 60.00 75.00 78.80 +/+
VESA, 1152 x 864 67.50 75.00 108.00 +/+
VESA, 1280 x 768 47.80 59.90 79.50 -/+
VESA, 1280 x 1024 64.00 60.00 108.00 +/+
VESA, 1280 x 1024 79.90 75.00 135.00 +/+
VESA, 1600 x 1200 75.00 60.00 162.00 +/+
VESA, 1680 x 1050 65.30 60.00 146.30 -/+
CTA, 1920 x 1080 67.50 60.00 148.50 +/+
VESA, 1920 x 1200 74.60 59.90 193.30 -/+
VESA, 2048 x 1080 66.60 60.00 147.20 +/-
VESA, 2560 x 1440 88.80 60.00 241.50 +/-

16 │About your monitor
Electrical specifications
Model P2423D P2723D
Video input signals •HDMI 1.4, 600 mV for each differential line, 100 ohm
input impedance per differential pair
•DisplayPort 1.2, 600 mV for each differential line, 100
ohm input impedance per differential pair
AC input voltage/
frequency/current
100 VAC to 240 VAC / 50 Hz or 60 Hz ± 3 Hz / 1.5 A
(typical)
Inrush current 120 V: 30 A (max.) at 0°C (cold start)
240 V: 60 A (max.) at 0°C (cold start)
Power consumption 0.3 W (Off mode)1
0.3 W (Standby Mode)1
16 W (On Mode)1
55 W (Max.)2
15.89 W (Pon)3
49.57 kWh (TEC)3
0.3 W (Off mode)1
0.3 W (Standby Mode)1
21 W (On Mode)1
55 W (Max.)2
17.89 W (Pon)3
55.76 kWh (TEC)3
1As defined in EU 2019/2021 and EU 2019/2013.
2Max brightness and contrast setting with maximum power loading on all USB
ports.
3Pon: Power consumption of On Mode as defined in Energy Star 8.0 version..
TEC: Total energy consumption in kWh as defined in Energy Star 8.0 version.
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 │17
NOTE: This monitor is ENERGY STAR certified.
This product qualifies 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 specified limit.

18 │About your monitor
Physical characteristics
Model P2423D P2723D
Signal cable type • Digital: DisplayPort, 20 pins
• Digital: HDMI, 19 pins (cable not included)
• Universal Serial Bus: USB, 9 pins
NOTE: Dell monitors are designed to work optimally with the video
cables that are shipped with your monitor. As Dell does not have
control over the different cable suppliers in the market, the type of
material, connector and process used to manufacture these cables,
Dell does not guarantee video performance on cables that are not
shipped with your Dell monitor.
Dimensions (with stand)
Height (extended) 496.11 mm (19.53 in.) 535.20 mm (21.07 in.)
Height (compressed) 364.00 mm (14.33 in.) 385.20 mm (15.17 in.)
Width 537.80 mm (21.17 in.) 611.60 mm (24.08 in.)
Depth 179.57 mm (7.07 in.) 190.10 mm (7.48 in.)
Dimensions (without stand)
Height 318.50 mm (12.54 in.) 360.80 mm (14.20 in.)
Width 537.80 mm (21.17 in.) 611.60 mm (24.08 in.)
Depth 52.15 mm (2.05 in.) 52.18 mm (2.05 in.)
Stand dimensions
Height (extended) 410.80 mm (16.17 in.) 428.30 mm (16.86 in.)
Height (compressed) 364.00 mm (14.33 in.) 381.50 mm (15.02 in.)
Width 245.00 mm (9.65 in.) 268.00 mm (10.55 in.)
Depth 179.57 mm (7.07 in.) 190.10 mm (7.48 in.)
Base 245.00 x 173.00 mm
(9.65 in. x 6.81 in.)
268.00 x 185.00 mm
(10.55 in. x 7.28 in.)
Weight
Weight with packaging 7.44 kg (16.40 lb) 9.20 kg (20.28 lb)
Weight with stand assembly
and cables
5.45 kg (12.02 lb) 6.76 kg (14.90 lb)

About your monitor │19
Weight without stand
assembly (For wall mount or
VESA mount considerations -
no cables)
3.44 kg (7.58 lb) 4.54 kg (10.01 lb)
Weight of stand assembly 1.63 kg (3.59 lb) 1.84 kg (4.06 lb)
Front-frame gloss Black frame 2-4 gloss units
Environmental characteristics
Model P2423D P2723D
Compliant Standards
• ENERGY STAR certified monitor.
• EPEAT registered where applicable. EPEAT registration varies by country. See
www.epeat.net for registration status by country.
• RoHS-compliant.
• TCO Certified & TCO Certified Edge.
• BFR/PVC free monitor (excluding external cables).
• Meets NFPA 99 leakage current requirements.
• Arsenic-free glass and Mercury-free for the panel only.
Temperature
Operating 0°C to 40°C (32°F to 104°F)
Non-operating • Storage: -20°C to 60°C (-4°F to 140°F)
• Shipping: -20°C to 60°C (-4°F to 140°F)
Humidity
Operating 10% to 80% (non-condensing)
Non-operating • Storage 5% to 90% (non-condensing)
• Shipping 5% to 90% (non-condensing)
Altitude
Operating
(maximum)
5,000 m (16,400 ft)
Non-operating
(maximum)
12,192 m (40,000 ft)
Thermal
dissipation
• 188.10 BTU/hour (Maximum)
• 54.72 BTU/hour (On Mode)
• 188.10 BTU/hour (Maximum)
• 71.82 BTU/hour (On Mode)

20 │About your monitor
Pin assignments
DisplayPort connector
Pin
number
20-pin side of the connected
signal cable
1ML3 (n)
2 GND
3ML3 (p)
4 ML2 (n)
5 GND
6 ML2 (p)
7 ML1 (n)
8 GND
9 ML1 (p)
10 ML0 (n)
11 GND
12 ML0 (p)
13 GND
14 GND
15 AUX (p)
16 GND
17 AUX (n)
18 Hot Plug Detect
19 Re-PWR
20 +3.3 V DP_PWR