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.