Troubleshooting 41
Horizontal/Vertical
Lines
Screen has one or
more lines
•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.
Synchronization
Problems
Screen is scrambled or
appears torn
•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.
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 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.
To Next Page
Loading...
