Users Guide

64  │  Tro u b l e shooti n g
Product specific problems
Common
symptoms
What you
experience
Possible solutions
Screen image is too
sma
ll
Image is centered
on screen, but
does not fill entire
viewing area
•Check the As
pect Ratio setting in the
Display menu OSD.
• Reset the monitor to factory settings.
Cannot adjust the
monit
or with the
buttons on the rear
panel
OSD does not
appe
ar on the
screen
• Turn Off the monitor, unplug the power
cord, plug it back, and then turn On
the monitor.
• The OSD menu may be locked. Press
and ho
ld the fourth button (the
Brightness/Contrast shortcut key by
default) below the joystick button for 4
seconds to unlock.
No input signal
wh
en 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
p
lugged in properly. Re-plug the signal
cable if necessary.
• Reset the computer or video player.
The picture does
no
t fill the entire
screen
The picture cannot
fill the height or
width of the screen
• Due to different video formats (aspect
ratio) of DVDs, the monitor may display
in full screen.
• Run the built-in diagnostics.