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Dell UltraSharp 24 User Manual

Dell UltraSharp 24
70 pages
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Model: U2421E
Regulatory model: U2421Et
Dell UltraSharp 24
USB-C Hub Monitor - U2421E
User’s Guide

Table of Contents

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Dell UltraSharp 24 Specifications

General IconGeneral
3DNo
DDC/CIYes
HD typeWUXGA
Pixel pitch0.27 x 0.27 mm
Aspect ratio16:10
Screen shapeFlat
Response time6 ms
Backlight typeLED
Display surfaceMatt
Display diagonal24 \
Display resolution1920 x 1200 pixels
Display technologyLCD
Vertical scan range56 - 76 Hz
Maximum refresh rate60 Hz
Horizontal scan range30 - 83 kHz
Contrast ratio (dynamic)2000000:1
Contrast ratio (typical)1000:1
Display number of colors16.78 million colors
Display brightness (typical)300 cd/m²
Supported graphics resolutions1920 x 1200 (WUXGA)
Pivot angle-90 - 90 °
Tilt angle range-5 - 21 °
Cable lock slot typeKensington
Panel mounting interface100 x 100 mm
Input current1.5 A
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (max)75 W
Annual energy consumption26 kWh
Power consumption (standby)0.5 W
Power consumption (typical)23 W
Power consumption (PowerSave)17.8 W
CertificationTCO, FCC, NFPA 99
Product colorBlack
Market positioningBusiness
Cables includedAC, DisplayPort, USB
Operating altitude0 - 5000 m
Non-operating altitude0 - 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 %
Package depth648 mm
Package width242.1 mm
Package height452.9 mm
Package weight8350 g
Package materialCorrugated cardboard, Expanded polyethylene (EPE) foam, Polyethylene (PE)
USB hub version3.2 Gen 1 (3.1 Gen 1)
USB upstream port typeUSB Type-B
VGA (D-Sub) ports quantity0
USB Type-A downstream ports quantity5
Pallet width1016 mm
Pallet height1025.9 mm
Pallet length1219.2 mm
Pallet weight128021 g
Quantity per pallet12 pc(s)
Quantity per pallet layer6 pc(s)
Master (outer) case weight8332.5 g
Harmonized System (HS) code85285210
Number of layers per pallet2 pc(s)
Quantity per master (outer) case1 pc(s)
Polyethylene (PE) content per bag79.25 g
Corrugated cardboard content per package2312 g
Expanded polyethylene (EPE) foam content per package8.2 g
Sustainability certificatesRoHS, EPEAT Gold, ENERGY STAR
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)205 mm
Width (with stand)532.2 mm
Height (with stand)402.9 mm
Weight (with stand)6690 g
Depth (without stand)45.7 mm
Height (without stand)350.6 mm
Weight (without stand)4250 g

Summary

Safety Instructions

About Your Monitor

Package Contents

Lists the components included with the monitor for initial setup.

Product Features

Details the monitor's technological specifications and capabilities.

Front View Controls

Identifies controls and indicators on the front of the monitor.

Back View Controls

Identifies controls and labels on the back of the monitor.

Bottom View Ports

Details the various ports located on the bottom of the monitor.

Monitor Specifications

Provides detailed technical specifications of the monitor's performance.

Resolution and Connectivity Specs

Details resolution capabilities and connectivity options of the monitor.

Display Modes and MST

Explains preset display modes and MST functionality for multiple displays.

Electrical Specifications

Details the monitor's electrical requirements and power consumption.

Physical Characteristics

Provides dimensions, weight, and connector types of the monitor.

Environmental Characteristics

Details compliant standards, operating temperature, and humidity.

DP Port Pin Assignments

Details the pin configuration for the DisplayPort (DP) input connector.

DP Output Pin Assignments

Details the pin configuration for the DisplayPort (DP) output connector.

HDMI Port Pin Assignments

Details the pin configuration for the HDMI connector.

USB Type-C Port Pin Assignments

Details the pin configuration for the USB Type-C connector.

Universal Serial Bus (USB) Ports

Provides information on USB port capabilities, speeds, and power delivery.

RJ45 Port Information

Details the RJ45 port, its pin assignments, and driver installation.

RJ45 Connector LED Status

Explains the status indicated by the LEDs on the RJ45 connector.

Plug-and-Play Functionality

LCD Monitor Quality and Pixel Policy

Informs about the LCD monitor quality standards and pixel defect policy.

Ergonomics and User Comfort

Handling and Moving Your Display

Maintenance Guidelines

Cleaning Your Monitor

Provides instructions for safely and effectively cleaning the monitor screen and body.

Setting Up the Monitor

Connecting the Stand

Step-by-step guide on how to attach the monitor stand securely.

Adjusting Tilt, Swivel, and Extension

Instructions on how to adjust the monitor's tilt, swivel, and vertical extension.

Rotating the Display

Guidance on how to rotate the monitor display between portrait and landscape modes.

Configuring Display Settings After Rotation

Steps to configure computer display settings after rotating the monitor.

Connecting Your Monitor to Computer

Instructions for connecting the monitor to a computer using various cables.

Connecting via DisplayPort (DP) Cable

Details on how to connect the monitor using a DisplayPort cable.

DP MST Function Setup

Guide to setting up the monitor for DisplayPort Multi-Stream Transport (MST).

Connecting via USB Cable

Instructions for connecting the monitor using standard USB cables.

Connecting via USB Type-C Cable

Guide to connecting the monitor using a USB Type-C cable for data and power.

USB-C MST Function Setup

Guide to setting up the monitor for USB Type-C Multi-Stream Transport (MST).

Connecting via RJ45 Cable

Instructions for connecting the monitor using an RJ45 Ethernet cable.

Cable Management and Organization

Tips for organizing cables connected to the monitor for a clean setup.

Securing Monitor with Kensington Lock

Instructions on how to use a Kensington lock to secure the monitor.

Removing the Monitor Stand

Step-by-step guide on how to safely remove the monitor stand.

Optional Wall Mounting

Instructions and notes for mounting the monitor on a wall using a VESA mount.

Operating the Monitor

Powering On the Monitor

Simple instructions on how to turn the monitor on.

Using the Joystick Control

Explains how to use the joystick for OSD navigation and adjustments.

Using Rear-Panel Controls

Details the function of each button on the monitor's rear control panel.

OSD Lock Function

Guide on how to lock or unlock OSD and power buttons for security.

Locking Buttons via Joystick

Instructions on using the joystick to lock OSD menu and power buttons.

Unlocking Buttons via Joystick

Instructions on using the joystick to unlock OSD menu and power buttons.

Using Front-Panel Buttons

Explains the function of the buttons on the front of the monitor for OSD adjustments.

Accessing the OSD Menu System

Guide on navigating and accessing the On-Screen Display (OSD) menu.

Input Source Selection

How to select between different video inputs like USB-C, DP, and HDMI.

Color Settings and Preset Modes

Explains how to adjust color settings and select preset modes like Standard, Movie, Game.

Color Format, Hue, and Saturation

Details on setting input color format, hue, and saturation for color adjustment.

Display Settings Adjustments

Covers aspect ratio, sharpness, response time, and MST settings.

Menu and OSD Settings

Adjusting OSD language, rotation, transparency, and timer settings.

Locking Monitor Controls

How to lock menu buttons, power button, or both for security.

Personalizing Monitor Settings

Setting shortcut keys, power button LED, and USB charging options.

Other OSD Settings (DDC/CI, LCD Conditioning)

Configuring DDC/CI, LCD conditioning, and viewing firmware/service tag.

LCD Conditioning, Firmware, and Reset

Managing LCD conditioning, firmware, service tag, and performing resets.

OSD Warning Messages

Explains common warning messages displayed by the monitor OSD.

Monitor Status Messages

Details messages related to USB-C input selection and factory reset confirmation.

Power Consumption Warnings

Alerts regarding power consumption changes due to setting adjustments.

No Signal Messages

Explains messages shown when no video signal is detected from inputs.

Setting Maximum Resolution

Guide to setting the monitor to its maximum supported resolution in Windows.

Troubleshooting Guide

Self-Test Feature

How to run the monitor's self-test to check for proper functionality.

Built-in Diagnostics Tool

Instructions on using the built-in diagnostics to identify screen abnormalities.

Common Monitor Problems and Solutions

Lists common issues like no picture, missing pixels, and their possible solutions.

Product-Specific Problems

Addresses problems unique to the monitor, such as screen centering.

DP and USB-C Connection Issues

Solutions for 'no image' errors when using DP or USB-C connections.

USB Charging and Network Issues

Troubleshooting for USB charging failures and network connectivity problems.

LAN Port and USB Interface Issues

Addresses issues with the LAN port and USB interface not working correctly.

SuperSpeed USB and Wireless USB Issues

Troubleshooting for slow USB 3.2 Gen 1 and wireless USB peripheral problems.

Appendix and Resources

Regulatory and Contact Information

Provides FCC notices, contact details, and EU product database links.

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