Dell S2715H Monitor - 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 • 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.