Dell P2423 User manual

Dell P2423 Monitor
User’s Guide
Model: P2423
Regulatory model: P2423b

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
Side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Monitor specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Resolution specifications. . . . . . . . . . . . . . . . . . . . . . . . . 15
Supported video modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Preset display modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Environmental characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Plug and play capability . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Universal Serial Bus (USB) interface . . . . . . . . . . . . . . . . 25
SuperSpeed USB 5 Gbps (USB 3.2 Gen1). . . . . . . . . . . . . . . . . . . 25
USB 3.2 Gen1 (5 Gbps) upstream connector . . . . . . . . . . . . . . . . 25
USB 3.2 Gen1 (5 Gbps) downstream connector . . . . . . . . . . . . . . 26
USB ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
LCD monitor quality and pixel policy . . . . . . . . . . . . . . . . 27
Ergonomics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Handling and moving your display . . . . . . . . . . . . . . . . . . 29

4  │ 
Maintenance guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Cleaning your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Setting up the monitor . . . . . . . . . . . . . . . . . . . . . . 32
Attaching the stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Connecting your monitor . . . . . . . . . . . . . . . . . . . . . . . . . 35
Connecting the DisplayPort (DisplayPort to DisplayPort) cable. . 35
Connecting the HDMI cable (optional) . . . . . . . . . . . . . . . . . . . . . 36
Connecting the VGA cable (optional) . . . . . . . . . . . . . . . . . . . . . . 36
Connecting the DVI cable (optional) . . . . . . . . . . . . . . . . . . . . . . . 36
Connecting the USB 3.2 Gen1 (5 Gbps) cable . . . . . . . . . . . . . . . . 37
Organizing your cables. . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Securing your monitor using Kensington lock (optional). 38
Removing the monitor stand . . . . . . . . . . . . . . . . . . . . . . 39
VESA wall mounting (optional) . . . . . . . . . . . . . . . . . . . . 40
Operating the monitor . . . . . . . . . . . . . . . . . . . . . . . 41
Power on the monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Using the joystick control . . . . . . . . . . . . . . . . . . . . . . . . 41
Using the On-Screen Display (OSD) menu . . . . . . . . . . . 42
Accessing the Menu Launcher. . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Using the navigation keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Accessing the menu system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
OSD warning message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Setting the maximum resolution . . . . . . . . . . . . . . . . . . . 60
Using the tilt, swivel, and vertical extension . . . . . . . . . . 61
Tilt, swivel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Vertical extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Rotating the monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Rotate clockwise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Rotate counterclockwise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Adjusting the rotation display settings of your system . . 64

│  5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Self-test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Common problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Product specific problems . . . . . . . . . . . . . . . . . . . . . . . . 70
Universal Serial Bus (USB) specific problems . . . . . . . . . .71
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
FCC notices (U.S. only) and other regulatory
information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Contact Dell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
EU product database for energy label and product
information sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

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 technical support. For more information, see
Contact Dell.
NOTE: Some items may be optional and may not ship with your monitor.
Some features may not be available in certain countries.
NOTE: If you are attaching a stand that you purchased from any other
source, follow the setup instructions available with the stand.
Display
Stand riser
Stand base
Power cable (varies by
country)

8  │  About your monitor
DisplayPort 1.2 cable
(DisplayPort to DisplayPort,
1.80 meters)
VGA cable (Japan only,
1.80 meters)
USB 3.2 Gen1 (5 Gbps)
upstream cable (enables the
USB ports on the monitor,
1.80 meters)
•QuickSetupGuide
• Safety, Environmental,
and Regulatory
Information

About your monitor  │  9
Product features
The Dell P2423 monitor has an active matrix, Thin-Film Transistor (TFT), Liquid
Crystal Display (LCD) and LED backlight. The monitor features include:
• 60.96 cm (24 in.) viewable area (measured diagonally).
1920 x 1200 (16:10) resolution, plus full-screen support for lower resolutions.
• Wide viewing angle to allow viewing from a sitting or standing position.
• Color gamut of 99% sRGB.
• Video connectivity with DVI, DisplayPort, HDMI and VGA.
• Tilt, swivel, height and pivot adjustment capabilities.
• Removable stand and Video Electronics Standards Association (VESA™)
100 mm mounting holes for flexible mounting solutions.
• Equipped with 1 USB Type 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 system.
• On-Screen Display (OSD) adjustments for ease of set-up and screen
optimization.
• Power and joystick buttons lock.
• Security lock slot.
• Stand lock.
• < 0.3 W in Standby Mode.
• Optimize eye comfort with a flicker-free screen and low blue light feature.
• The monitor uses Low Blue Light panel and is in compliance with TUV
Rheinland (Hardware Solution) at factory reset/default setting mode (Preset
mode: Standard).
WARNING: The possible long-term effects of blue light emission from
the monitor may cause damage to the eyes, including eye fatigue,
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
Label Description
1Power 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
Back view with monitor stand
Label Description Use
1VESA mounting holes (100 mm
x 100 mm - behind attached
VESA Cover)
Wall-mount the monitor using VESA-
compatible wall mount kit (100 mm x
100mm).
2Regulatory label Lists the regulatory approvals.
3Stand release button Releases stand from the monitor.
4Barcode, serial number, and
Service Tag label
Refer to this label if you need to
contact Dell for technical support.
5Power On/Off button To turn the monitor on or off.
6Joystick Use to control the OSD menu. For
more Information, see Operating the
monitor.
7Cable-management slot Use to organize cables by inserting
them through the slot. But this does
not accommodate DVI cable.

12  │  About your monitor
Side view
Bottom view
Bottom view without monitor stand
Label Description Use
1Security lock slot
(based on Kensington
Security Slot™)
Secures the monitor with a security lock
(security lock not included).
2Power connector Connect the power cable (shipped with your
monitor).
3DisplayPort Connect your computer with the DisplayPort
cable (shipped with your monitor).

About your monitor  │  13
*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).
4HDMI port Connect your computer with the HDMI cable.
5Stand lock feature To lock the stand to the monitor using a M3 x
6mm screw (screw not included).
6DVI port Connect your computer with the DVI cable.
7VGA connector Connect your computer with the VGA cable
(shipped with your monitor, for Japan only).
8SuperSpeed USB
5Gbps (USB 3.2 Gen1)
upstream port
Connect the USB cable that came with your
monitor to the computer. Once this cable is
connected, you can use the USB connectors
on the monitor.
9SuperSpeed USB
5Gbps (USB 3.2 Gen1)
downstream port (4)
Connect your USB 3.2 Gen1 (5 Gbps) device.*
NOTE: To use these ports, you must connect
the USB cable (shipped with your monitor) to
the USB-upstream port on the monitor and to
your computer.

14  │  About your monitor
Monitor specifications
Model P2423
Screen type Active matrix - TFT LCD
Panel technology In-Plane Switching Technology
Aspect ratio 16:10
Viewable image
Diagonal
Width (active area)
Height (active area)
To t a l a re a
609.60 mm (24 in.)
518.40 mm (20.41 in.)
324.00 mm (12.76 in.)
167961.60 mm2(260.34 in.2)
Pixel pitch 0.270 mm x 0.270 mm
Pixel per inch (PPI) 94
Viewing angle 178° (vertical) typical
178° (horizontal) typical
Luminance output 300 cd/m² (typical)
Contrast ratio 1000 to 1 (typical)
Faceplate coating Anti-glare treatment of the polarizer (Haze 25%, 3H)
Backlight White LED edgelight system
Response time 8 ms (Normal mode)
5 ms (Fast mode)
Color depth 16.7 million colors
Color gamut sRGB 99% (typical)

About your monitor  │  15
Resolution specifications
Model P2423
Horizontal scan range 30 kHz to 83 kHz (automatic)
Vertical scan range 56 Hz to 76 Hz (automatic)
Maximum preset resolution 1920 x 1200 at 60 Hz
Supported video modes
Model P2423
Video display capabilities (VGA & DVI
& HDMI & DisplayPort playback)
480p, 576p, 720p, 1080i, 1080p, FHD
Connectivity • 1 x DisplayPort version 1.2 (HDCP 1.4)
• 1 x HDMI port version 1.4 (HDCP 1.4)
•1xDVIport
•1xVGAport
• 1 x SuperSpeed USB 5 Gbps (USB 3.2 Gen1)
upstream port
•4x SuperSpeed USB 5 Gbps (USB 3.2 Gen1)
downstream port
Border width (edge of
monitor to active area)
6.30 mm (Top)
6.30 mm (Left/Right)
17.80 mm (Bottom)
Adjustability
Height adjustable stand
Ti l t
Swivel
Pivot
150 mm
-5° to 21°
-45° to 45°
-90° to 90°
Dell Display Manager
compatibility
Easy Arrange and other key features
Security Security lock slot (cable lock sold separately)

16  │  About your monitor
Preset display modes
Display mode Horizontal
frequency
(kHz)
Vertical
frequency
(Hz)
Pixel
clock
(MHz)
Sync
polarity
(Horizontal
/Vertical)
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 +/+
1280 x 720 45.00 59.90 74.25 -/+
1280 x 720 56.50 74.80 95.75 -/+
VESA, 1280 x 1024 64.00 60.00 108.00 +/+
VESA, 1280 x 1024 80.00 75.00 135.00 +/+
VESA, 1600 x 1200 75.00 60.00 162.00 +/+
VESA, 1920 x 1080 67.50 60.00 148.50 +/+
1920 x 1200 74.00 60.00 154.00 +/+

About your monitor  │  17
Electrical specifications
Model P2423
Video input signals • Analog RGB, 0.7 V ± 5%, positive polarity at 75 Ω input
impedance
• Digital DVI-D TMDS, 600 mV for each differential line,
positive polarity at 50 Ω input impedance
• HDMI 1.4, 600 mV for each differential line, 100 Ω input
impedance per differential pair
• DisplayPort 1.2, 600 mV for each differential line, 100 Ω
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
Inrush current •120V:30A (Max.) at 0°C (cold start)
•240V:60A (Max.) at 0°C (cold start)
Power consumption • 0.2 W (Off mode)1
•0.3W(StandbyMode)
1
• 14.8 W (On mode)1
•48W(Max.)
2
•12.85W(Pon)
3
•40.76kWh(TEC)
3
1 As defined in EU 2019/2021 and EU 2019/2013.
2 Max 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.

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 P2423
Signal cable type • Digital: DisplayPort, 20 pins
• Digital: HDMI, 19 pins (cable not included)
• Digital: DVI-D, 24 pins (cable not
included)
• Analog: D-Sub, 15 pins (cable not
included, except for Japan)
• 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) 510.80 mm (20.11 in.)
Height (compressed) 364.00 mm (14.33 in.)
Width 531.00 mm (20.90 in.)
Depth 179.57 mm (7.07 in.)
Dimensions (without stand)
Height 348.10 mm (13.70 in.)
Width 531.00 mm (20.90 in.)
Depth 53.26 mm (2.10 in.)

About your monitor  │  19
Stand dimensions
Height (extended) 410.80 mm (16.17 in.)
Height (compressed) 364.00 mm (14.33 in.)
Width 245.00 mm (9.65 in.)
Depth 179.57 mm (7.07 in.)
Base 245.00 mm x 173.00 mm (9.65 in. x 6.81 in.)
Weight
Weight with packaging 7.7 1 kg (1 7.0 0 l b)
Weight with stand assembly and
cables
5.56 kg (12.26 lb)
Weight without stand assembly
(For wall mount or VESA mount
considerations - no cables)
3.52 kg (7.76 lb)
Weight of stand assembly 1.71 kg (3.77 lb)
Front frame gloss Black frame 2-4 gloss units

20  │  About your monitor
Environmental characteristics
Model P2423
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)
• Arsenic-free glass and Mercury-free for the panel only
Te m p e r at u re
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 5000 m (16404 ft) (maximum)
Non-operating 12192 m (40000 ft) (maximum)
Thermal dissipation • 163.78 BTU/hour (maximum)
•54.59BTU/hour(typical)