HP S2021 20-inch manual Troubleshooting, Solving Common Problems, Problem Solution

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A Troubleshooting

Solving Common Problems

The following table lists possible problems, the possible cause of each problem, and the recommended solutions:

	Problem	Solution

	Power LED is not on.	Make sure the Power button is on, and the power cord is properly connected
	Power LED is not on.	to a grounded power outlet and to the monitor.
		to a grounded power outlet and to the monitor.

	Screen is blank.	Connect the power cord. Turn on the power.
		Connect the video cable properly. See “Setting Up the Monitor” for more
		information.
		Press a key on the keyboard or move the mouse to turn off the screen-
		blanking utility.
	Image appears blurred,	Press the Auto/OK button on the monitor front bezel. If this does not correct
	indistinct, or too dark.	the image, press the Menu button to open the OSD menu, and adjust the
		brightness and contrast scales.
	Image is not centered.	Press the Menu button to access the OSD menu. Select Picture,
		and then select Horizontal Position or Vertical Position to adjust the
		position of the image.
	Check Video Cable	Connect the monitor VGA or DVI signal cable to the signal connector on
	appears on screen.	the computer. Be sure that the computer power is off while connecting the
		video cable.
	Input Signal Out of	Restart your computer and enter Safe Mode. Change your settings to a
	Range appears on	supported setting (see the table in “Preset Video Modes” in Appendix B).
	screen.	Restart your computer so that the new settings take effect.
	Picture is fuzzy and has	Adjust the contrast and brightness controls.
	ghosting, shadowing	Make sure that you are not using an extension cable or switch box. We
	problem.
		recommend plugging the monitor directly into the graphic card output
		connector on the back of your computer.
		The auto adjustment feature might fix this problem.

22 Appendix A Troubleshooting

ENWW

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Contents S1921/S1921d, S2021/S2021a LCD Monitors Page About This Guide Iv About This Guide Table of contents Appendix B Technical Specifications Appendix C Agency Regulatory NoticesProduct Features Compaq LCD MonitorsEnww Safety and Maintenance Guidelines Important Safety InformationSafety Precautions Cleaning the Monitor Maintenance GuidelinesShipping the Monitor Setting Up the Monitor Installing the MonitorUnpacking the Monitor Preparing the monitor for desktop usePreparing the monitor for wall-mounting 3Bottom view of monitor stand showing release button circled Enww Connecting Cables Connecting the VGA Analog Cable or DVI-D Digital CableTo connect the VGA cable provided with select models To connect the DVI-D cable provided with select modelsConnecting the Audio Cable select models 7Connecting the audio cables select modelsConnecting the Power Cable Adjusting the Tilt 9Tilt adjustmentInstalling Drivers Installing the monitor driver software from the CDDownloading updated drivers from the Internet Operating the MonitorUsing the Auto Adjustment Function Select Open Auto Adjustment SoftwarePower LED Front-Bezel ControlsIcon Description Open, or select the OSD menuMinus and Plus +OSD button function OK/Auto button functionMenu button function Using the On-Screen Display OSD OK/Auto , + and Power button functionIcon Main Menu Options Sub-menu Options Description OSDLanguage Miscellaneous Input Select Reset Identifying Monitor ConditionsPower-Saver Feature Adjusting Screen QualityOptimizing Analog Video Solving Common Problems TroubleshootingProblem Solution Do the following Getting Support from hp.comStart button , Control Panel, and Hardware and Sound. Under Preparing to Call Technical Support Have the following information available when you callLocating the Rating Label Specifications Technical SpecificationsEnvironmental Requirements Table B-2Models S2021\S2021a Preset Video Modes Power Cord Set Requirements LCD Monitor Quality and Pixel PolicyAgency Regulatory Notices Federal Communications Commission NoticeModifications CablesAvis Canadien Canadian NoticeEuropean Union Regulatory Notice Japanese Notice Korean Notice Power Cord Set Requirements German Ergonomics NoticeJapanese Power Cord Requirements Product Environmental NoticesMaterials Disposal Chemical Substances11363-2006 Turkey EEE Regulation