Dell SP2318H User Manual page 60

Stuck-on Pixels
Brightness
Problems
Geometric
Distortion
Horizontal/
Vertical Lines
│
60 Troubleshooting
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.
• Reset the monitor to factory settings.
• Perform Auto Adjust via OSD.
• Adjust brightness & contrast controls
via OSD.
• Reset the monitor to factory settings.
• Perform Auto Adjust via OSD.
• Adjust horizontal & vertical controls
via OSD.
NOTE: When using HDMI/DisplayPort
input, the positioning adjustments are
not available.
• Reset the monitor to factory settings.
• Perform Auto Adjust via OSD.
• Adjust the 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 HDMI/DisplayPort
input, the Pixel Clock and Phase
adjustments are not available.