Dell UP2720Q Users Guide - Page 78

Common Problems, Common, Symptoms, What You, Experience, Possible Solutions

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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 Possible Solutions 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. No picture or • Increase brightness & contrast controls via no OSD. brightness • 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. Picture is fuzzy, blurry, or ghosting • Eliminate video extension cables. • Reset the monitor to factory settings. • Change the video resolution to the correct aspect ratio. Wavy picture • Reset the monitor to factory settings. or fine movement • Check environmental factors. • Relocate the monitor and test in another room. • Dell monitors are designed to work optimally with Dell supplied inbox cables. Dell does not guarantee the video quality and performance when using non-Dell cables. 78 │ Troubleshooting

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78
±±
│
± ± Troubleshooting
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.
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
•
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
•
Reset the monitor to factory settings.
•
Check environmental factors.
•
Relocate the monitor and test in another
room.
•
Dell monitors are designed to work optimally
with Dell supplied inbox cables. Dell does not
guarantee the video quality and performance
when using non-Dell cables.