Users Guide
Table Of Contents
Trou b l es ho oting │ 63
Missing Pixels LCD screen has
spots
• Turn the monitor off and then on
again.
• 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:
www.dell.com/
pixelguidelines.
Stuck-on Pixels LCD screen has
bright spots
• Turn the monitor off and then on
again.
• 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:
www.dell.com/
pixelguidelines.
Brightness
Problems
Picture too dim or
too bright
• Reset the monitor to factory settings.
• Adjust brightness and contrast
controls via OSD.
Geometric
Distortion
Screen not
centered correctly
Reset the monitor to factory settings.
Horizontal/
Vertical Lines
Screen has one or
more lines
• Reset the monitor to factory settings.
• Invoke the self-test feature (see Self-
test) and determine if these lines are
also flagged in the self-test mode.
• Check for bent or broken pins in the
video cable connector.
• Run the built-in diagnostics.