Dell E2219HN Manuale d'uso - Pagina 41
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Synchronization
Problems
Safety-Related Issues Visible signs of
Intermittent Problems Monitor
Missing Color
Wrong Color
Image retention from
a static image left on
the monitor for a long
period of time
NOTE: When choosing HDMI mode, the Auto Adjust function is not available
Screen is scrambled
or appears torn
smoke or sparks
malfunctions on
& off
Picture missing
color
Picture color not
good
Faint shadow from
the static image
displayed appears
on the screen
• Reset the monitor to Factory Settings
• Perform Auto Adjust via OSD
• Adjust Phase and Pixel Clock controls
via OSD
• Perform monitor self-test feature check
to determine if the scrambled screen
appears in self-test mode
• Check for bent or broken pins in the
video cable connector
• Restart the computer in the safe mode
• 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 feature
check
• 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
• Change the Color Mode in the Color
OSD to Graphics or Video depending on
the application
• Try different Color Preset Settings in
Color OSD Adjust R/G/B value in Color
OSD if the Color Management is turned
off
• Change the Input Color Format to PC
RGB or YPbPr in the Color OSD
• Use the Power Management feature to
turn off the monitor at all times when
not in use (for more information, see
Power Management Modes
• Alternatively, use a dynamically
changing screensaver
Troubleshooting
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