User Guide

58 | Troubleshooting
Common
Symptoms
What You
Experience
Possible Solutions
Missing Color Picture missing
color
•Perform monitor self-test.
•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 settings of the Preset Modes in the
Color menu OSD depending on the application.
•Adjust R/G/B value under Custom. Color in Color
menu OSD.
•Change the Input Color Format to PC RGB or
YPbPr in the Color menu OSD.
•Run the built-in diagnostics.
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.
Product Specific Problems
Specific
Symptoms
What You
Experience
Possible Solutions
Screen image is
too small
Image is
centered on
screen, but does
not fill entire
viewing area
•Check the Aspect Ratio setting in the Display
menu OSD.
•Reset the monitor to factory settings.
Cannot adjust
the monitor
with the buttons
on the front
panel
OSD does not
appear on the
screen
•Turn o the monitor, unplug the monitor power
cable, plug it back, and then turn on the monitor.
•Check whether the OSD menu is locked. If yes,
press and hold the button beside the power
button for 6 seconds to unlock (for more
information, see Lock).
No Input Signal
when user
controls are
pressed
No picture,
the LED light is
white
•Check the signal source. Ensure the computer
is not in the power saving mode by moving the
mouse or pressing any key on the keyboard.
•Check whether the signal cable is plugged in
properly. Re-plug the signal cable if necessary.
•Reset the computer or video player.
The picture
does not fill the
entire screen
The picture
cannot fill the
height or width
of the screen
•Due to dierent video formats (aspect ratio) of
DVDs, the monitor may display in full screen.
•Run the built-in diagnostics.