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Dell P2423D User Manual

Dell P2423D
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66 Troubleshooting
Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common
Symptoms
What you
experience
Possible Solutions
No Video/Power
LED off
No picture Ensure that the video cable connecting
the monitor and the computer is properly
connected and secure.
Verify that the power outlet is
functioning properly using any other
electrical equipment.
Ensure that the power button is pressed.
Ensure that the correct input source is
selected via the Input Source menu.
No Video/Power
LED on
No picture or no
brightness
Increase brightness and contrast
controls using the OSD.
Perform monitor self-test feature check.
Check for bent or broken pins in the
video cable connector.
Run the built-in diagnostics.
Ensure that the correct input source is
selected via the Input Source menu.
Poor Focus Picture is fuzzy,
blurry, or ghosting
Eliminate video extension cables.
Reset the monitor to Factory Settings
(Factory Reset).
Change the video resolution to the
correct aspect ratio.
Shaky/Jittery
Video
Wavy picture or
fine movement
Reset the monitor to Factory Settings
(Factory Reset).
Check environmental factors.
Relocate the monitor and test in another
room.

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Dell P2423D and is the answer not in the manual?

Dell P2423D Specifications

General IconGeneral
Input current1.5 A
AC input voltage100 - 240 V
Power supply typeInternal
AC input frequency50 - 60 Hz
Energy efficiency scaleA to G
Power consumption (max)55 W
Power consumption (standby)0.3 W
Power consumption (typical)16 W
Color gamut99 %
Pixel pitch0.2058 x 0.2058 mm
Screen shapeFlat
Pixel density123 ppi
Backlight typeLED
Display diagonal23.8 \
Anti-glare screenYes
Display technologyLCD
Native aspect ratio16:9
Vertical scan range49 - 75 Hz
Maximum refresh rate60 Hz
Response time (fast)8 ms
Horizontal scan range29 - 113 kHz
Supported video modes480p, 576p, 720p, 1080i, 1080p, 1440p
Viewable size diagonal604.5 mm
Viewable size, vertical296.35 mm
Contrast ratio (typical)1000:1
Display number of colors16.7 million colors
Viewable size, horizontal526.85 mm
Display brightness (typical)300 cd/m²
Pivot angle90 - 90 °
Tilt angle range-5 - 21 °
Panel mounting interface100 x 100 mm
HDMI version1.4
DisplayPort version1.2
USB upstream port typeUSB Type-B
VGA (D-Sub) ports quantity0
USB Type-A downstream ports quantity4
Package weight7440 g
Sustainability certificatesENERGY STAR, RoHS, TCO
Feet colorSilver
Product colorBlack
Heavy metals freeHg (mercury)
Market positioningBusiness
Operating altitude0 - 5000 m
Non-operating altitude5000 - 12192 m
Storage temperature (T-T)-20 - 60 °C
Operating temperature (T-T)0 - 40 °C
Storage relative humidity (H-H)5 - 90 %
Operating relative humidity (H-H)10 - 80 %
Cables includedAC, DisplayPort, USB
Harmonized System (HS) code85285210
Weight and Dimensions IconWeight and Dimensions
Bezel width (top)5.42 mm
Bezel width (side)5.48 mm
Depth (with stand)179.57 mm
Width (with stand)537.8 mm
Height (with stand)496.11 mm
Weight (with stand)5070 g
Bezel width (bottom)16.72 mm
Depth (without stand)52.15 mm
Height (without stand)318.5 mm
Weight (without stand)3440 g

Summary

Safety Instructions

About Your Monitor

Package Contents

Lists components shipped with the monitor.

Product Features

Identifying Parts and Controls

Front View

Details front panel components and indicators.

Back View

Identifies components and ports on the monitor's back.

Bottom View

Details ports and connectors on the monitor's bottom.

Monitor Specifications

Physical Characteristics

Pin Assignments

DisplayPort Connector

Pinout details for the DisplayPort connector.

HDMI Connector

Pinout details for the HDMI connector.

Universal Serial Bus (USB) Interface

Information on USB port types, speeds, and power.

Plug and Play Capability

LCD Monitor Quality and Pixel Policy

Ergonomics

Handling and Moving Your Display

Maintenance Guidelines

Cleaning Your Monitor

Instructions and precautions for cleaning the monitor screen.

Setting Up the Monitor

Attaching the Stand

Step-by-step guide to attach the monitor stand.

Connecting Your Monitor

Connecting the DisplayPort and USB Cable

Guide to connect the monitor using DisplayPort and USB cables.

Connecting the HDMI Cable (Optional)

Instructions for connecting the monitor using an HDMI cable.

Organizing Cables

Guidance on routing cables using the monitor's management features.

Securing Your Monitor Using Kensington Lock (Optional)

How to secure the monitor with a Kensington lock.

Removing the Monitor Stand

Steps to detach the monitor stand from the display.

VESA Wall Mounting (Optional)

Instructions for mounting the monitor on a wall using a VESA bracket.

Operating Your Monitor

Power On the Monitor

How to turn the monitor on and off.

Using the Joystick Control

Navigating OSD with the joystick.

Using the On-Screen Display (OSD) Menu

How to access and navigate the monitor's OSD settings.

Menu and Power Button Lock

How to lock/unlock OSD menu and power button access.

OSD Warning Messages

Explains common on-screen messages and their meanings.

Setting the Maximum Resolution

Steps to set the monitor's maximum display resolution in Windows.

Using the Tilt, Swivel, and Vertical Extension

Adjusting the monitor's physical position and height.

Rotating the Monitor

Instructions for rotating the monitor display orientation.

Adjusting the Rotation Display Settings of Your System

Configuring system display settings after monitor rotation.

Troubleshooting

Self-Test

Running a self-test to check monitor functionality.

Built-in Diagnostics

Using the monitor's diagnostic tool to identify issues.

Common Problems

Table of common issues and their solutions.

Universal Serial Bus (USB) Specific Problems

Troubleshooting common issues related to USB connectivity.

Regulatory Information

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