Manual
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-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.
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.