Dell ST2420LB, ST2421LB appendix Caring for Your Monitor

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Caring for Your Monitor

CAUTION: Read and follow the Safety Instructions before cleaning the monitor.

CAUTION: Before cleaning the monitor, unplug the monitor from the electrical outlet.

For best practices, follow the instructions in the list below while unpacking, cleaning, or handling your monitor:

•To clean your antistatic screen, lightly dampen a soft, clean cloth with water. If possible, use a special screen-cleaning tissue or solution suitable for the antistatic coating. Do not use benzene, thinner, ammonia, abrasive cleaners, or compressed air.

•Use a lightly-dampened, warm cloth to clean the monitor. Avoid using detergent of any kind as some detergents leave a milky film on the monitor.

•If you notice a white powder when you unpack your monitor, wipe it off with a cloth.

•Handle your monitor with care as dark-colored monitors may scratch and show white scuff marks more than lighter-colored monitors.

•To help maintain the best image quality on your monitor, use a dynamically changing screen saver and turn off your monitor when not in use.

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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 SidePower Management Modes Monitor SpecificationsPin Assignments 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 Using the On-Screen Display OSD Menu Using the Front PanelOperating the Monitor 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 Using the Dell Soundbar Optional Setting the Maximum ResolutionClick Change Display Settings 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 StandBuilt-in Diagnostics Solving ProblemsSelf-Test Common Problems Common Symptoms What You Experience Possible SolutionsProduct-Specific Problems Troubleshooting the Dell Soundbar OptionalBack to Contents