User Manual
62 │ Tro ub les h oo ti ng
No Video/Power
LED on
No picture or no
brightness
• Increase brightness & contrast
controls via OSD.
• Perform monitor self-test feature
check.
• Check for bent or broken pins in the
video cable connector.
• Run the built-in diagnostics.
• Ensure that the correct input source is
selected in the
Input Source menu.
Poor Focus Picture is fuzzy,
blurry, or ghosting
• Perform Auto Adjust via OSD.
• Adjust the Phase and Pixel Clock
controls via OSD.
• Eliminate video extension cables.
• Reset the monitor to factory settings.
• Change the video resolution to the
correct aspect ratio.
Shaky/Jittery
Video
Wavy picture or
fine movement
• Perform Auto Adjust via OSD.
• Adjust the Phase and Pixel Clock
controls via OSD.
• Reset the monitor to factory settings.
• Check environmental factors.
• Relocate the monitor and test in
another room.
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:
http://
www.dell.com/support/monitors.