Dell P2714H Monitor User Manual
Page 54

54
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 brightness & contrast
controls via OSD.
NOTE: When using ‘DVI-D’, the
positioning adjustments are not
available.
Horizontal/Vertical
Screen has one or
• Reset the monitor to Factory
Lines
more lines
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’ and
DP, the Pixel Clock and Phase
adjustments are not available.
Synchronization
Screen is scrambled or • Reset the monitor to Factory
Problems
appears torn
Settings.
• Perform Auto Adjust via OSD.
(For VGA source only)
• Adjust Phase and Pixel Clock
controls via OSD.
(For VGA source only)
• 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.