Common Problems - Dell P2016 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
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.
• Ensure that the correct input source is selected in the
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.
• Ensure that the correct input source is selected in the
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.
• Perform Auto Adjust via OSD.
Wavy picture or
fine movement • Adjust the Phase and Pixel Clock controls via OSD.
• 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.
or too bright • Auto Adjust via OSD.
• Adjust brightness & contrast controls via OSD.
Screen not • Reset the monitor to factory settings.
• Auto Adjust via OSD.
centered correctly
• Adjust horizontal & vertical controls via OSD.
the computer is properly connected and secure.
using any other electrical equipment.
Input Source menu.
connector.
Input Source menu.
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.
.
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