Dell S1909WN Product Specific Problems, Common Symptoms What You Experience 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
			connected and secure.
		•	Verify that the power outlet is functioning properly using any other electrical equipment.
		•	Ensure that the power button is 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	•	Perform Auto Adjust via OSD.
	ghosting	•	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.
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-test
			mode.
		•	Check for bent or broken pins in the video cable connector.
		•	Run the built-in diagnostics.
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 the scrambled screen appears in
			self-test 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	•	Do not perform any troubleshooting steps.
	sparks	•	Contact Dell immediately.
Intermittent Problems	Monitor malfunctions on & off	•	Ensure that the video cable connecting the monitor to the computer is connected
			properly and is secure.
		•	Reset the monitor to Factory Settings.
		•	Perform monitor self-test feature check to determine if the intermittent problem occurs in
			self-test 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
			properly and is 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
			depending on the application.
		•	Try different Color Preset Settings in Color Settings OSD. Adjust R/G/B value in Color
			Settings OSD if the Color Management is turned off.
		•	Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD.
		•	Run the built-in diagnostics.
Image retention from a static	Faint shadow from the static	•	Use the Power Management feature to turn off the monitor at all times when not in use
image left on the monitor for a	image displayed appears on		(for more information, see Power Management Modes).
long period of time	the screen	•	Alternatively, use a dynamically changing screensaver.

Product Specific Problems

Specific Symptoms	What You Experience	Possible Solutions
Screen image is too small	Image is centered on screen,	• Check the Scaling Ratio setting in Image Setting OSD