User's Manual

Troubleshooting | 63
Product Specific Problems
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 different Color Preset Settings in Color Settings OSD.
Adjust R/G/B value in Color Settings OSD if the Color
Management is turned off.
• Change the Input Color Format to PC RGB or YPbPr in the
Color Settings 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 off the monitor
at all times when not in use (for more information, see
Power Management Modes).
• Alternatively, use a dynamically changing screensaver.
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 Settings 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 Off 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 10 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.