Dell C5517H User Manual page 52

Common
Symptoms
Missing Pixels
Stuck-on Pixels
Brightness Problems
Geometric Distortion
Horizontal/Vertical
Lines
52 Troubleshooting

What You
Experience
LCD screen has spots • Cycle power on-off.
LCD screen has
bright spots
Picture too dim or
too bright
Screen not centered
correctly
Screen has one or
more lines
Possible Solutions
• 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.
• 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.
• Reset the monitor to Factory
Settings.
• Auto Adjust via OSD.
• Adjust brightness & contrast
controls via OSD.
• Reset the monitor to Factory
Settings.
• Auto Adjust via OSD.
• Adjust brightness & contrast
controls via OSD.
• 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.