46 | troubleshooting – Dell S2715H Monitor User Manual
Page 46
46 | 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.
NOTE: When using HDMI input, 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 HDMI input, 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 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
feature to turn off
the monitor at all times when not in use (for more
information, see
• Alternatively, use a dynamically changing screensaver.