Dell P2714H User Manual page 54

Common Symptoms What You
Geometric Distortion
Horizontal/Vertical
Lines
Synchronization
Problems
Safety-Related Issues
Intermittent Problems
54 Troubleshooting

Experience
Screen not centered
correctly
Screen has one or
more lines
Screen is scrambled or • Reset the monitor to Factory
appears torn
Visible signs of smoke
or sparks
Monitor malfunctions
on & off
Possible Solutions
• 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.
• 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' and
DP, the Pixel Clock and Phase
adjustments are not available.
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.
• Do not perform any
troubleshooting steps.
• Contact Dell immediately.
• 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.