Missing Pixels
LCD screen has
spots
l
Cycle power on-off.
l
Pixel that is permanently off is a natural defect that can occur in LCD technology.
Stuck-on Pixels
LCD screen has
bright spots
l
Cycle power on-off.
l
Pixel that is permanently off is a natural defect that can occur in LCD technology.
Brightness Problems
Picture too dim or
too bright
l
Reset the monitor to Factory Settings.
l
Auto Adjust via OSD.
l
Adjust brightness & contrast controls via OSD.
Geometric Distortion
Screen not
centered correctly
l
Reset the monitor to Factory Settings.
l
Auto Adjust via OSD.
l
Adjust 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
l
Reset the monitor to Factory Settings.
l
Perform Auto Adjust via OSD.
l
Adjust Phase and Pixel Clock controls via OSD.
l
Perform monitor self-test feature check and determine if these lines are also in self-test mode.
l
Check 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
l
Reset the monitor to Factory Settings.
l
Perform Auto Adjust via OSD.
l
Adjust Phase and Pixel Clock controls via OSD.
l
Perform monitor self-test feature check to determine if scrambled screen appears in self-test mode.
l
Check for bent or broken pins in the video cable connector.
l
Restart the computer in the
safe mode
.
Safety Related Issues
Visible signs of
smoke or sparks
l
Do not perform any troubleshooting steps.
l
Contact 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.
l
Reset the monitor to Factory Settings.
l
Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode.
Missing Color
Picture missing
color
l
Perform monitor self-test feature check.
l
Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.
l
Check for bent or broken pins in the video cable connector.
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.
l
Change 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
l
Use the Power Management feature to turn off the monitor at all times when it is not in use (for more
information, see
).
l
Alternatively, use a dynamically changing screensaver.
Summary of Contents for UltraSharp 2009W
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