Dell E2219HN Manuale d'uso - Pagina 40
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Missing Pixels
Stuck-on Pixels
Brightness Problems
Geometric Distortion
Horizontal/Vertical
Lines
40
│
Troubleshooting
LCD screen has
spots
LCD screen has
bright spots
Picture too dim or
too bright
Screen not
centered correctly
Screen has one or
more lines
• 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
• 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
• Reset the monitor to Factory Settings
• Auto Adjust via OSD
• Adjust brightness & contrast controls
via OSD
• Reset the monitor to Factory Settings
• Auto Adjust via OSD
• Adjust brightness & contrast controls
via OSD
NOTE: When using 'HDMI', 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 'HDMI', the Pixel
Clock and Phase adjustments are not
available