Troubleshooting
55
Common
Symptoms
What You
Experience
Possible Solutions
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:
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:
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.
