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.
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.
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 '2: 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.
NOTE: When using '2: 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-test 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
lEnsure 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-test mode.
Missing Color
Picture missing
color
lPerform monitor self-test feature check.
lEnsure 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.
Wrong Color
Picture color not
good
lChange the Color Setting Mode in the Color Settings OSD to Graphics or Video depending to the
application.
lTry 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.
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
lUse the Power Management feature to turn off the monitor at all times when it is not in use (for more
information, see Power Management Modes).
lAlternatively, use a dynamically changing screensaver.