Troubleshooting
51
Remote control no
working
Can’t control LCD
Monitor
• Check remote control battery have
install property.
• Ensure the remote control sensor is
toward to monitor remote control
sensor on left bottom side.
Missing Pixels
LCD screen has spots • 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
.
Stuck-on Pixels
LCD screen has bright
spots
• 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
.
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.
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.