58 | Troubleshooting
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
• Reset the monitor to factory settings.
Cannot adjust
the monitor with
the buttons on
the rear panel
OSD does not
appear on the
screen
• Turn off the monitor, unplug the power cord,
plug it back, and then turn on the monitor.
No Input Signal
when user
controls are
pressed
No picture, the
LED light is blue
• 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 different video formats (aspect ratio), the
monitor may display in full screen.
• Run the built-in diagnostics.
Wrong Color
Picture color not
good
• Change the settings of the
Preset Modes
in the
Game
menu OSD depending on the application.
• Adjust
R/G/B value under
Custom Color
in the
Game
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 off
the monitor at all times when not in use (for more
information, see
• Alternatively, use a dynamically changing
screensaver.