Common Problems - Dell UltraSharp 38 User Manual

Common problems

The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common
symptoms
No video/power
LED off
No video/power
LED on
Poor focus
Shaky/jittery
video
What you
experience
No picture
No picture or no
brightness
Picture is fuzzy,
blurry, or ghosting
Wavy picture or
fine movement
Possible solutions
• 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
• Increase brightness and contrast
controls using the 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
• Eliminate video extension cables.
• Reset the monitor to factory settings.
• Change the video resolution to the
correct aspect ratio.
• Reset the monitor to factory settings.
• Check environmental factors.
• Relocate the monitor and test in
another room.
Troubleshooting
Input Source menu.
Input Source menu.
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