About your monitor | 19Plug and play capabilityYou can install the monitor in any Plug and Play-compatible system. The monitorautomatically provides the computer system with its Extended Display IdentificationData (EDID) using Display Data Channel (DDC) protocols so the system can configureitself and optimize the monitor settings. Most monitor installations are automatic,you can select different settings if desired. For more information about changing themonitor settings, see Operating your monitor.LCD monitor quality and pixel policyDuring the LCD Monitor manufacturing process, it is not uncommon for one or morepixels to become fixed in an unchanging state which are hard to see and do not affectthe display quality or usability. For more information on Dell Monitor Quality and PixelPolicy, see Dell Support site at www.dell.com/support/monitors.Maintenance guidelinesCleaning your monitorWARNING: Before cleaning the monitor, unplug the monitor power cable fromthe electrical outlet.CAUTION: Read and follow the Safety Instructions before cleaning the monitor.For best practices, follow the instructions in the list below while unpacking, cleaningor handling your monitor:∞ To clean your screen, lightly dampen a soft, clean cloth with water. Ifpossible, use a special screen-cleaning tissue or solution suitable for the anti-static coating. Do not use benzene, thinner, ammonia, abrasive cleaners orcompressed air.∞ Use a lightly-dampened cloth to clean the monitor. Avoid using detergent ofany kind as some detergents leave a milky film on the monitor.∞ If you notice white powder when you unpack your monitor, wipe it off with acloth.∞ Handle your monitor with care as the black-colored monitor may get scratchedand show white scuff marks.∞ To help maintain the best image quality on your monitor, use a dynamicallychanging screen saver and turn Off your monitor when not in use.