Dell P2414H Dell User Guide - Page 50

For more information on Dell Monitor Quality and Pixel, support/monitors, Factory Settings

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Missing Pixels LCD screen has spots • Cycle power on-off. • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:http://www.dell.com/ support/monitors. Stuck-on Pixels LCD screen has bright spots • Cycle power on-off. • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:http://www.dell.com/ support/monitors. Brightness Problems Picture too dim or too bright • Reset the monitor to Factory Settings. • Auto Adjust via OSD. • Adjust brightness & contrast controls via OSD. 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 DVI-D/DisplayPort 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 DVI-D/DisplayPort input, the Pixel Clock and Phase adjustments are not available. Synchronization Screen is Problems 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 the safe mode. Safety Related Visible signs of • Do not perform any troubleshooting steps. Issues smoke or sparks • 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. 50 | Troubleshooting

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Troubleshooting
Missing Pixels
LCD screen has
spots
•
Cycle power on-off.
•
Pixel that is permanently off is a natural defect that can
occur in LCD technology.
•
For more information on Dell Monitor Quality and Pixel
Policy, see Dell Support site at:
support/monitors
.
Stuck-on Pixels
LCD screen has
bright spots
•
Cycle power on-off.
•
Pixel that is permanently off is a natural defect that can
occur in LCD technology.
•
For more information on Dell Monitor Quality and Pixel
Policy, see Dell Support site at:
support/monitors
.
Brightness
Problems
Picture too dim
or too bright
•
Reset the monitor to
Factory Settings
.
•
Auto Adjust
via OSD.
•
Adjust brightness & contrast controls via OSD.
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 DVI-D/DisplayPort 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 DVI-D/DisplayPort 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 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.