Dell E2218HNf Benutzerhandbuch - Seite 41
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Horizontal/Vertical
Lines
Synchronization
Problems
Safety-Related Issues
Intermittent Problems
Missing Color
Screen has one or
more lines
Screen is scrambled or
appears torn
Visible signs of smoke
or sparks
Monitor malfunctions
on & off
Picture missing color
• 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 and determine if these lines are
also in self-test mode.
• Check for bent or broken pins in the
video cable connector.
NOTE: When using 'HDMI', the Pixel
Clock and Phase adjustments are not
available.
• 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.
Troubleshooting
41