Dell UP3218K Users Guide - Page 45

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 Missing Pixels Stuck-on Pixels Brightness Problems Safety Related Issues Intermittent Problems Missing Color 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 depressed fully. • Ensure that the correct input source is selected in the Input Source menu. 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. LCD screen has spots • Cycle power on-off. • Pixel that is permanently off is a natural defect that canoccur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: http://www.dell.com/support/monitors. LCD screen has bright spots • Cycle power On-Off. • Pixel that is permanently off is a natural defect that canoccur in LCD technology. • For more information on Dell Monitor Quality and PixelPolicy, see Dell Support site at: http://www.dell.com/support/monitors. Picture too dim or • Reset the monitor to factory settings. too bright • Adjust brightness & contrast controls via OSD. Visible signs of • Do not perform any troubleshooting steps. smoke or sparks • Contact Dell immediately. Monitor malfunctions on & off • Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. • Reset the monitor to factory settings. • Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. Picture missing color • Perform monitor self-test. • Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. • Check for bent or broken pins in the video cable connector. Troubleshooting | 45

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Troubleshooting
|
45
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.
Missing Pixels
LCD screen has
spots
• Cycle power on-off.
• Pixel that is permanently off is a natural defect
that canoccur 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 canoccur 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.
•
Adjust brightness & contrast controls via OSD.
Safety Related
Issues
Visible signs of
smoke or sparks
•
Do not perform any troubleshooting steps.
•
Contact Dell immediately.
Intermittent
Problems
Monitor
malfunctions on
& off
•
Ensure that the video cable connecting the monitor to
the computer is connected properly and is secure.
• Reset the monitor to factory settings.
•
Perform monitor self-test feature check to determine
if the intermittent problem occurs in self-test mode.
Missing Color
Picture missing
color
•
Perform monitor self-test.
•
Ensure that the video cable connecting the monitor to
the computer is connected properly and is secure.
•
Check for bent or broken pins in the video cable
connector.