Dell ST2420LB User Manual

Dell™ST2420L/ST2421LmonitorUser'sGuide
Notes, Notices, and Cautions
Information in this document is subject to change without notice.
©2010Dell™Inc.Allrightsreserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc. Microsoft and Windows are either trademarks or registered trademarks of Microsoft Corporation in
theUnitedStatesand/orothercountries;ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. As an ENERGY STAR partner, Dell Inc. has
determined that this product meets the ENERGY STAR guidelines for energy efficiency.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
ST2420Lb/ST2421Lb
August2010Rev.A00


About Your Monitor
Setting Up the Monitor
Operating the Monitor
Solving Problems
Appendix
NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

Dell ST2420LB Specifications

General

Brand	Dell
Model	ST2420LB
Category	Monitor
Language	English

Summary

About Your Monitor

Package Contents

Lists the components included with the monitor.

Product Features

Details the key characteristics and capabilities of the monitor.

Identifying Parts and Features

Locates and names the various physical parts and controls.

Appendix

Safety Instructions

Refers to safety information provided with the monitor.

FCC Notice (U.S. Only) and Other Regulatory Information

Provides regulatory compliance information and links.

Contacting Dell

Information on how to contact Dell support for assistance.

Setting Up the Monitor

Important instructions to set the display resolution to 1920x1080 (Maximum)

Guides users on setting the optimal display resolution for performance.

Attaching the Base

Provides steps for assembling and attaching the monitor stand.

Connecting the Monitor

Details how to connect the monitor to a computer using various cables.

Attaching the Soundbar (Optional)

Instructions for mounting and connecting the optional Dell Soundbar.

Removing the Monitor Stand

Steps to detach the monitor stand for wall mounting or other purposes.

Operating the Monitor

Using the Front Panel Controls

Explains the function of buttons on the monitor's front panel.

Using the On-Screen Display (OSD) Menu

Guides users through navigating and using the monitor's OSD menu.

Setting the Maximum Resolution

Instructions on how to set the monitor to its maximum resolution.

Using the Dell Soundbar (Optional)

Explains how to use the optional Dell Soundbar with the monitor.

Using the Tilt

Describes how to adjust the monitor's tilt for optimal viewing.

Solving Problems

Self-Test

How to perform a monitor self-test to check functionality.

Built-in Diagnostics

Steps to run built-in diagnostics to identify screen abnormalities.

Common Problems

A table listing common issues and their solutions.

Product-Specific Problems

Addresses issues specific to the monitor's features or operation.

Troubleshooting the Dell™ Soundbar (Optional)

Solutions for common audio issues with the optional Soundbar.