Dell P2418HT Users Guide - Page 49

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

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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 What You Experience Possible Solutions No Video/Power No picture LED off • 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. • Ensure that the correct input source is selected in the Input Source menu. No Video/Power No picture or no • Increase brightness & contrast controls via OSD. LED on 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. Poor Focus 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. Shaky/Jittery Video Wavy picture or fine movement • Perform Auto Adjust via OSD. • 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. Missing Pixels Stuck-on Pixels Brightness Problems LCD screen has spots LCD screen has bright spots Picture too dim or too bright • Cycle power on-off. • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: http://www.dell.com/support/monitors. • Cycle power On-Off. • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and PixelPolicy, see Dell Support site at: http://www.dell.com/support/monitors. • Reset the monitor to factory settings. • Auto Adjust via OSD. • Adjust brightness & contrast controls via OSD. Troubleshooting | 49

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Troubleshooting
|
49
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 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 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
•
Perform
Auto Adjust
via OSD.
•
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.
Shaky/Jittery
Video
Wavy picture or
fine movement
•
Perform
Auto Adjust
via OSD.
•
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.
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 Monitor Quality
and Pixel Policy, see Dell Support site at:
.
Stuck-on Pixels
LCD screen has
bright 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 Monitor Quality
and PixelPolicy, see Dell Support site at:
.
Brightness
Problems
Picture too dim
or too bright
•
Reset the monitor to factory settings.
•
Auto Adjust
via OSD.
•
Adjust brightness & contrast controls via OSD.