Dell S1909W appendix Common Symptoms What You Experience Possible Solutions

The following table contains general information about common monitor problems that you might encounter and the possible solutions.

Common Symptoms	What You Experience		Possible Solutions
No Video/ Power LED off	No picture	•	Ensure that the video cable connecting the monitor and the computer is properly co
			secure.
		•	Verify that the power outlet is functioning properly using any other electrical equipm
		•	Ensure that the power button depressed fully.
No Video/ Power LED on	No picture or no brightness	•	Increase brightness & contrast controls via OSD.
		•	Perform monitor self-test feature check.
		•	Check for bent or broken pins in the video cable connector.
		•	Run the built-in diagnostics.
Poor Focus	Picture is fuzzy, blurry, or ghosting	•	Perform Auto Adjust via OSD.
		•	Adjust the Phase and Pixel Clock controls via OSD.
		•	Eliminate video extension cables.
		•	Reset the monitor to Factory Settings.
		•	Change the video resolution to the correct aspect ration (16:9).
Shaky/Jittery Video	Wavy picture or fine movement	•	Perform Auto Adjust via OSD.
		•	Adjust the Phase and Pixel Clock controls via OSD.
		•	Reset the monitor to Factory Settings.
		•	Check environmental factors.
		•	Relocate the monitor and test in another room.
Missing Pixels	LCD screen has spots	•	Cycle power on-off.
		•	Pixel that is permanently off is a natural defect that can occur in LCD technology.
		•	Run the built-in diagnostics.
Stuck-on Pixels	LCD screen has bright spots	•	Cycle power on-off.
		•	Pixel that is permanently off is a natural defect that can occur in LCD technology.
		•	Run the built-in diagnostics.
Brightness Problems	Picture too dim or too bright	•	Reset the monitor to Factory Settings.
		•	Auto Adjust via OSD.
		•	Adjust brightness & contrast controls via OSD.
Geometric Distortion	Screen not centered correctly	•	Reset the monitor to Factory Settings.
		•	Auto Adjust via OSD.
		•	Adjust brightness & contrast controls via OSD.
		NOTE: When using 'DVI-D', the positioning adjustments are not available.
Horizontal/Vertical Lines	Screen has one or more lines	•	Reset the monitor to Factory Settings.
		•	Perform Auto Adjust via OSD.
		•	Adjust Phase and Pixel Clock controls via OSD.
		•	Perform monitor self-test feature check and determine if these lines are also in self-t
		•	Check for bent or broken pins in the video cable connector.
		NOTE: When using 'DVI-D', the Pixel Clock and Phase adjustments are not available.
Synchronization Problems	Screen is scrambled or appears	•	Reset the monitor to Factory Settings.
	torn	•	Perform Auto Adjust via OSD.
		•	Adjust Phase and Pixel Clock controls via OSD.
		•	Perform monitor self-test feature check to determine if scrambled screen appears in
			mode.
		•	Check for bent or broken pins in the video cable connector.
		•	Restart the computer in the safe mode.
Safety Related Issues	Visible signs of smoke or sparks	•	Do not perform any troubleshooting steps.
		•	Contact Dell immediately.
Intermittent Problems	Monitor malfunctions on & off	•	Ensure that the video cable connecting the monitor to the computer is connected pr
			secure.
		•	Reset the monitor to Factory Settings.
		•	Perform monitor self-test feature check to determine if the intermittent problem occu
			mode.
Missing Color	Picture missing color	•	Perform monitor self-test feature check.
		•	Ensure that the video cable connecting the monitor to the computer is connected pr
			secure.
		•	Check for bent or broken pins in the video cable connector..
Wrong Color	Picture color not good	•	Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depe
			application.
		•	Try different Color Preset Settings in Color Settings OSD. Adjust R/G/B value in Color
			if the Color Management is turned off.
		•	Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD.
Image retention from a static	Faint shadow from the static image	•	Use the Power Management feature to turn off the monitor at all times when not in
image left on the monitor for a	displayed appears on the screen		information, see Power Management Modes).
long period of time		•	Alternatively, use a dynamically changing screensaver.