Dell™ U2211H /U2311H Monitor User's GuideNotes, Notices, and CautionsInformation 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 a n d Windows are either trademarks or registered trademarks of Microsoft Corporation inthe United States and/or other countries, Intel is a registered trademark of Intel Corporation in the U.S. and other countries; and ATI is a trademark of Advanced Micro Devices,Inc. 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 theENERGY 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 anyproprietary interest in trademarks and trade names other than its own.Model U2211Ht / U2311HbMay 2010 Rev. A01About Your MonitorSetting Up the MonitorOperating the MonitorTroubleshootingAppendixNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.WARNING: A WARNING indicates a potential for property damage, personal injury, or death.