6. Trouble Shooting Instructions
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 p
ower O
n-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
.
Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common
symptoms
What you
experience
Possible solutions
No Video/Power
LED off
No picture
• Ensure that the video cable
connecting the monitor and the
computer is properly connected and
secure.
• Verify that the power outlet is
functioning properly using any other
electrical equipment.
• Ensure that the power button is
pressed fully.
• Ensure that the correct input source is
selected in the
Input Source
menu.
