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