Dell E2016 Podręcznik użytkownika - Strona 37
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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
Missing Pixels
Stuck-on Pixels
Brightness
Problems
Geometric
Distortion
What You
Possible Solutions
Experience
No picture
• Ensure that the video cable connecting the monitor and
• Verify that the power outlet is functioning properly
• Ensure that the power button is depressed fully.
No picture or no
• Increase brightness & contrast controls via OSD.
brightness
• Perform monitor self-test feature check.
• Check for bent or broken pins in the video cable
• Run the built-in diagnostics.
Picture is fuzzy,
• Perform Auto Adjust via OSD.
blurry, or ghosting
• 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.
Wavy picture or
• Perform Auto Adjust via OSD.
• Adjust the Phase and Pixel Clock controls via OSD.
fine movement
• Reset the monitor to factory settings.
• Check environmental factors.
• Relocate the monitor and test in another room.
LCD screen has
• Cycle power on-off.
spots
• Pixel that is permanently off is a natural defect that can
• For more information on Dell Monitor Quality and Pixel
LCD screen has
• Cycle power On-Off.
bright spots
• Pixel that is permanently off is a natural defect that can
• For more information on Dell Monitor Quality and Pixel
Picture too dim
• Reset the monitor to factory settings.
• Auto Adjust via OSD.
or too bright
• Adjust brightness & contrast controls via OSD.
Screen not
• Reset the monitor to factory settings.
centered correctly
• Auto Adjust via OSD.
• Adjust horizontal & vertical controls via OSD.
the computer is properly connected and secure.
using any other electrical equipment.
connector.
occur in LCD technology.
Policy, see Dell Support site at:
support/monitors.
occur in LCD technology.
Policy, see Dell Support site at:
com/support/monitors
http://www.dell.com/
http://www.dell.
.
Troubleshooting
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