Dell C5517H - Page 52

52  Troubleshooting
Common
Symptoms
What You
Experience
Possible Solutions
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:
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:
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.