Dell P2214H Monitor User Manual Page 50

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  • TROUBLESHOOTING
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Missing Pixels LCD screen has Cycle power on-off.
spots
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 Cycle power on-off.
bright spots
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
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.
50 | Troubleshooting
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