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

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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

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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.