User Guide

50 Troubleshooting
Synchronization Screen is scrambled or • Reset the monitor to Factory
Problems appears torn 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.
Wrong Color Picture color not good • Change the Color Setting Mode in the
Color Settings OSD to Graphics or
Video depending on the application.
• Try dierent Color Preset Settings
in Color Settings OSD. Adjust R/G/B
value in Color Settings OSD if the
Color Management is turned o.
• Change the Input Color Format to PC
RGB or YPbPr in the Advance Setting
OSD.