User Guide

Missing Pixels LCD screen has spots • Cycle power on-o.
• Pixel that is permanently o 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-o.
• Pixel that is permanently o 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 brightness & contrast controls
via OSD.
NOTE: When using ‘HDMI’, 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.
NOTE: When using ‘HDMI’, the Pixel
Clock and Phase adjustments are not
available.
Troubleshooting 49