Dell P2418HTE - Page 50

50 | Troubleshooting
Common
Symptoms
What You
Experience
Possible Solutions
Geometric
Distortion
Screen not
centered correctly
• Reset the monitor to factory settings.
• Auto Adjust via OSD.
• Adjust horizontal & vertical controls via OSD.
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.
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 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.
• 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 settings of the Preset Modes in the
Color menu OSD depending on the application.
• Adjust R/G/B value under Custom. Color in Color
menu OSD.
• Change the Input Color Format to PC RGB or
YPbPr in the Color menu 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
• Set the screen to turn o after a few minutes
of screen idle time. These can be adjusted in
Windows Power Options or Mac Energy Saver
setting.
• Alternatively, use a dynamically changing
screensaver.