Common Problems; Troubleshooting - Dell C5517H 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 depressed fully.
• Increase brightness & contrast
controls via OSD.
• Perform monitor self-test
feature check.
• Check for bent or broken pins
in the video cable connector.
• Ensure that the correct input
source is selected via the
Input Source Select menu.
• Run the built-in diagnostics.
• Perform Auto Adjust via OSD.
• Adjust the Phase and Pixel
Clock controls via OSD.
(For VGA source only)
• Eliminate video extension
cables.
• Reset the monitor to Factory
Settings.
• Change the video resolution
to the correct aspect ratio
(16:9).
• Perform Auto Adjust via OSD.
(For VGA source only)
• Adjust the Phase and Pixel
Clock controls via OSD.
(For VGA source only)
• Reset the monitor to Factory
Settings.
• Check environmental factors.
• Relocate the monitor and test
in another room.

Troubleshooting

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