Troubleshooting |
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7
Repeat steps 5 and 6 to inspect the display in green, blue, black, white, and text
screens.
The test is complete when the text screen appears. To exit, press
Button 4
again.
If you do not detect any screen abnormalities upon using the built-in diagnostic tool,
the monitor is functioning properly. Check the video card and computer.
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 depressed fully.
•
Ensure that the correct input source is selected in the
Input Source
menu.
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:
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
.