Dell™ ST2420L/ST2421L monitorUser GuideImportant instructions to set the display resolution to 1920x1080 (Maximum)Information in this document is subject to change without notice.© 2010-2013 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 inthe United States and/or other countries.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 proprietaryinterest in trademarks and trade names other than its own.ST2420Lb/ST2421LbSeptember 2013 Rev. A05