Dell G2422HS User Manual page 55

Missing pixels
Stuck-on pixels
Brightness
problems
Geometric
distortion
Horizontal/
vertical lines
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
• 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
www.dell.com/pixelguidelines.
• 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
www.dell.com/pixelguidelines.
• Reset the monitor to factory settings.
• Adjust brightness and contrast
controls via OSD.
Reset the monitor to factory settings.
• Reset the monitor to factory settings.
• Invoke the self-test feature (see
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.
Troubleshooting
Self-
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