Dell IN1940MW Display User Manual
Page 47
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.
For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:
support.dell.com.
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.
For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:
support.dell.com.
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 '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.
NOTE: When using '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 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 to
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.
Image retention from a static
image left on the monitor for a
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
).