Dell UltraSharp UP3218K Panduan Servis - Halaman 13

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Dell UltraSharp UP3218K Panduan Servis

Common Problems

The following table contains general information about common monitor problems you might
encounter and the possible solutions:
Common
What You
Symptoms
Experience
No Video/Power
No picture
LED off
No Video/Power
No picture or no
LED on
brightness
Missing Pixels
LCD screen has
spots
Stuck-on Pixels
LCD screen has
bright spots
Brightness
Picture too dim or
Problems
too bright
Safety Related
Visible signs of
Issues
smoke or sparks
Intermittent
Monitor
Problems
malfunctions on
& off
Missing Color
Picture missing
color
5. Trouble Shooting Instructions
Possible Solutions
• 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
• 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
• 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.
• 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.
• Reset the monitor to factory settings.
• Adjust brightness & contrast controls via OSD.
• Do not perform any troubleshooting steps.
• Contact Dell immediately.
• 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.
• 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.
menu.
menu.