Users Guide

Troub lesh oot ing 71
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.