Dell ST2420LB, ST2421LB appendix Dell ST2420L/ST2421L monitor

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Dell™ ST2420L/ST2421L monitor

User Guide

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

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 registered trademarks or 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

June 2010

Rev. A00

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Contents Dell ST2420L/ST2421L monitor Users Guide Package Contents About Your MonitorBack View Product FeaturesIdentifying Parts and Features Front View Front View Front Panel Controls Label DescriptionBack View Label Description/Use Side ViewBottom View Left SidePin Assignments Monitor SpecificationsPower Management Modes DVI Connector Pin Pin Side of the Connected Signal Number CableFlat Panel Specifications Model ST2420L/ST2421LPhysical Characteristics ResolutionPreset Display Modes Video Supported ModesPlug and Play Capability Maintenance GuidelinesEnvironmental LCD Monitor Quality & Pixel PolicyCaring for Your Monitor Appendix Setting Up Your Monitor Click Change Display Settings Click Advanced Settings Operating the Monitor Using the Front PanelUsing the On-Screen Display OSD Menu Main Menu for non Analog non VGA Input Brightness Contrast Back Auto Adjust Input Source Auto SelectVGA DVI-D Hdmi Display Settings Page DDC/CI Factory Reset PersonalizeOSD Warning Messages Click Change Display Settings Setting the Maximum ResolutionUsing the Dell Soundbar Optional Using the Tilt TiltSetting Up Your Monitor Dell ST2420L/ST2421L monitor Setting Up the Monitor Attaching the BaseConnecting the Monitor Attaching the Soundbar Optional Removing the Monitor StandSelf-Test Solving ProblemsBuilt-in Diagnostics Common Problems Common Symptoms What You Experience Possible SolutionsProduct-Specific Problems Troubleshooting the Dell Soundbar OptionalBack to Contents