Dell P6524QT Monitor Users Guide - Page 67

Common problems, Troubleshooting, Common, Symptoms, What You, Experience, Possible Solutions

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Common problems The following table contains general information about common display 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 Missing Pixels What You Experience Possible Solutions No picture • Ensure that the video cable connecting the display 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 picture or no • Increase brightness & contrast controls via brightness OSD. • Perform display 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 display to factory settings. • Change the video resolution to the correct aspect ratio. Wavy picture or • Reset the display to factory settings. fine movement • Check environmental factors. • Relocate the display and test in another room. LCD screen has • Cycle power on-off. spots • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information on Dell Display Quality and Pixel Policy, see Dell Support site at: http://www.dell.com/support/monitors. Troubleshooting | 67

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Troubleshooting
|
67
Common problems
The following table contains general information about common display 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
display 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 display 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 display to factory settings.
•
Change the video resolution to the correct
aspect ratio.
Shaky/Jittery
Video
Wavy picture or
fine movement
•
Reset the display to factory settings.
• Check environmental factors.
•
Relocate the display 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 Display Quality
and Pixel Policy, see Dell Support site at:
.