Dell ST2220 appendix Solving Problems, Self-Test, Built-in Diagnostics

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Solving Problems

Dell™ ST2220L/ST2220M monitor User's Guide

Self-Test

Built-in Diagnostics

Common Problems

Product-Specific Problems

Troubleshooting the Dell™ Soundbar (Optional)

CAUTION: Before you begin any of the procedures in this section, follow the Safety Instructions.

Self-Test

Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps:

1.Turn off both your computer and the monitor.

2.Unplug the video cable from the back of the computer. To ensure proper Self-Test operation, remove the Analog (blue connector) cable from the back of computer.

3.Turn on the monitor.

The floating dialog box should appear on-screen (against a black background) if the monitor cannot sense a video signal and is working correctly. While in self-test mode, the power LED remains white. Also, the dialog shown below will continuously scroll through the screen.

or

4.This box also appears during normal system operation, if the video cable becomes disconnected or damaged.

5.Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor.

If your monitor screen remains blank after you have performed Step 5, check your video controller and computer system.

Built-in Diagnostics

Your monitor has a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with your monitor, or with your computer and video card.

NOTE: You can run the built-in diagnostics only when the video cable is unplugged and the monitor is in self-test mode.

To run the built-in diagnostics:

1.Ensure that the screen is clean (no dust particles on the surface of the screen).

2.Unplug the video cable(s) from the back of the computer or monitor. The monitor then goes into the self-test mode.

3.On the front panel, press and hold the shortcut button 1 and shortcut button 4 keys on the front panel, simultaneously for 2 seconds. A gray screen appears.

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Contents Dell ST2220L/ST2220M 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 SideMonitor Specifications Power Management ModesPin Assignments DVI Connector Pin Pin Side of the Connected Signal Number CableFlat Panel Specifications ResolutionModel ST2220L/ST2220M Video Supported Modes Preset Display ModesPhysical Characteristics ElectricalPlug and Play Capability Maintenance GuidelinesEnvironmental LCD Monitor Quality & Pixel PolicyBack to Contents Appendix Setting Up Your Monitor Click Change Display Settings Click Advanced Settings Using the Front Panel Using the On-Screen Display OSD MenuOperating the Monitor Main Menu for non Analog non VGA Input Brightness Contrast Back Auto Adjust Input Source Auto SelectVGA DVI-D Display Settings Page DDC/CI Factory Reset PersonalizeOSD Warning Messages Setting the Maximum Resolution Using the Dell Soundbar OptionalClick Change Display Settings Using the Tilt TiltSetting Up Your Monitor Dell ST2220L/ST2220M monitor Setting Up the Monitor Attaching the BaseConnecting the Monitor Attaching the Soundbar Optional Removing the Monitor StandSolving Problems Built-in DiagnosticsSelf-Test Common Problems Common Symptoms What You Experience Possible SolutionsProduct-Specific Problems Troubleshooting the Dell Soundbar OptionalBack to Contents