Manual

52 Troubleshooting
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.
Wrong Color Picture color not good •Change the Color Mode in the Color
OSD to Graphics or Video depending
on the application.
•Try dierent Color Preset Settings
in Color OSD. Adjust R/G/B value in
Color OSD if the Color Management
is turned o.
•Change the Input Color Format to PC
RGB or YPbPr in the
Color OSD.
Image retention from
a static image left on
the monitor for a long
period of time
Faint shadow from the
static image displayed
appears on the screen
•Use the Power Management
feature to turn o the monitor at
all times when not in use (for more
information, see Power Management
Modes.
•Alternatively, use a dynamically
changing screensaver.