Dell 1909W Flat Panel Monitor User's Guide
file:///T|/htdocs/monitors/1909W/en/ug/solve.htm[11/8/2012 2:54:16 PM]
The following table contains general information about common monitor problems you might encounter and the 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.
Ensure that the correct input source is selected via the
Input Source Select
button.
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
ghosting
Perform Auto Adjust via OSD.
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 (16:10).
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.
NOTE:
When using '2: DVI-D', the positioning adjustments are not available.
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.
NOTE:
When using '2: DVI-D', the Pixel Clock and Phase adjustments are not available.
Synchronization Problems
Screen is scrambled or appears
torn
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 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
sparks
Do not perform any troubleshooting steps.
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
image left on the monitor for a
long period of time
Faint shadow from the static
image displayed appears on the
screen
Use the Power Management feature to turn off the monitor at all times when not in use
(for more information, see
Power Management Modes
).
Alternatively, use a dynamically changing screensaver.
