Dell S2409WFP User Manual page 30

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